remove useless css attribute

This height attribute was useless and make strange displaying in firefox (text entered in search field was not vertical centered, now it is).

I test the displaying in FF 3.016, Konqueror 4.2.4 and Opera 9.64 and it was good on the 3.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31541 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/tiolive_base/SkinTemplateItem/portal_skins/tiolive_base/erp5.css.xml

@@ -514,7 +514,6 @@ body {\n
   top: 0;\n
   margin-left: 3px;\n
 \twidth:132px;\t\n
-\theight:19px;\n
 \t\n
 }\n
 \n

bt5/tiolive_base/bt/revision

-51
+52
\ No newline at end of file