Drop Zocial CSS usage from the login page

See merge request !1600

bt5/erp5_advanced_ecommerce/SkinTemplateItem/portal_skins/erp5_advanced_ecommerce/ERP5Site_getCssRelativeUrlList.py

 return ('jquery/plugin/lightbox/lightbox-0.5.css',
         'jquery/plugin/jqzoom/jqzoom.css',
-        'zocial.min.css',
         'advanced_ecommerce_web.css')

bt5/erp5_oauth_facebook_login/SkinTemplateItem/portal_skins/erp5_oauth_facebook_login/facebook_login_button.png.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Image" module="OFS.Image"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_Cacheable__manager_id</string> </key>
+            <value> <string>anonymous_http_cache</string> </value>
+        </item>
+        <item>
+            <key> <string>__name__</string> </key>
+            <value> <string>facebook_login_button.png</string> </value>
+        </item>
+        <item>
+            <key> <string>content_type</string> </key>
+            <value> <string>image/png</string> </value>
+        </item>
+        <item>
+            <key> <string>height</string> </key>
+            <value> <int>36</int> </value>
+        </item>
+        <item>
+            <key> <string>precondition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>width</string> </key>
+            <value> <int>191</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_oauth_google_login/SkinTemplateItem/portal_skins/erp5_oauth_google_login/google_login_button.png.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Image" module="OFS.Image"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_Cacheable__manager_id</string> </key>
+            <value> <string>anonymous_http_cache</string> </value>
+        </item>
+        <item>
+            <key> <string>__name__</string> </key>
+            <value> <string>google_login_button.png</string> </value>
+        </item>
+        <item>
+            <key> <string>content_type</string> </key>
+            <value> <string>image/png</string> </value>
+        </item>
+        <item>
+            <key> <string>height</string> </key>
+            <value> <int>138</int> </value>
+        </item>
+        <item>
+            <key> <string>precondition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>width</string> </key>
+            <value> <int>191</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_openid_connect_client_login/SkinTemplateItem/portal_skins/erp5_openid_connect_client/openid_login_button.png.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Image" module="OFS.Image"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_Cacheable__manager_id</string> </key>
+            <value> <string>anonymous_http_cache</string> </value>
+        </item>
+        <item>
+            <key> <string>__name__</string> </key>
+            <value> <string>openid_login_button.png</string> </value>
+        </item>
+        <item>
+            <key> <string>content_type</string> </key>
+            <value> <string>image/png</string> </value>
+        </item>
+        <item>
+            <key> <string>height</string> </key>
+            <value> <int>37</int> </value>
+        </item>
+        <item>
+            <key> <string>precondition</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>width</string> </key>
+            <value> <int>191</int> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/zocial.min.css.xml → bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs_ui/erp5_small_logo.png.xml

@@ -2,17 +2,25 @@
 <ZopeData>
   <record id="1" aka="AAAAAAAAAAE=">
     <pickle>
-      <global name="File" module="OFS.Image"/>
+      <global name="Image" module="OFS.Image"/>
     </pickle>
     <pickle>
       <dictionary>
+        <item>
+            <key> <string>_Cacheable__manager_id</string> </key>
+            <value> <string>anonymous_http_cache</string> </value>
+        </item>
         <item>
             <key> <string>__name__</string> </key>
-            <value> <string>zocial.min.css</string> </value>
+            <value> <string>erp5_small_logo.png</string> </value>
         </item>
         <item>
             <key> <string>content_type</string> </key>
-            <value> <string>text/css</string> </value>
+            <value> <string>image/png</string> </value>
+        </item>
+        <item>
+            <key> <string>height</string> </key>
+            <value> <int>53</int> </value>
         </item>
         <item>
             <key> <string>precondition</string> </key>
@@ -20,7 +28,11 @@
         </item>
         <item>
             <key> <string>title</string> </key>
-            <value> <string>zocial.min.css</string> </value>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>width</string> </key>
+            <value> <int>127</int> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/erp5.css.css

@@ -1207,10 +1207,6 @@ fieldset > div.large-gadget {
   height: 85vh;
 }
 
-a.zocial {
-  margin-top: 10px;
-}
-
 body[dir="rtl"] .access_tab_table td > div {
   float: right !important;
 }