Remove the left-overs of `use-deprecated-sizes` attributes

Changelog: changed

app/assets/javascripts/groups/components/item_caret.vue

@@ -22,6 +22,6 @@ export default {
 
 <template>
   <span class="folder-caret gl-mr-2">
-    <gl-icon :size="10" :name="iconClass" use-deprecated-sizes />
+    <gl-icon :size="12" :name="iconClass" />
   </span>
 </template>

app/assets/javascripts/vue_shared/components/file_icon.vue

@@ -86,7 +86,7 @@ export default {
 <template>
   <span>
     <gl-loading-icon v-if="loading" size="sm" :inline="true" />
-    <gl-icon v-else-if="isSymlink" name="symlink" :size="size" use-deprecated-sizes />
+    <gl-icon v-else-if="isSymlink" name="symlink" :size="size" />
     <svg v-else-if="!folder" :key="spriteHref" :class="[iconSizeClass, cssClasses]">
       <use v-bind="{ 'xlink:href': spriteHref }" />
     </svg>

ee/app/assets/javascripts/vue_shared/purchase_flow/components/step_header.vue

@@ -22,10 +22,9 @@ export default {
     <gl-icon
       v-show="isFinished"
       class="checkmark gl-mr-3"
-      :size="18"
+      :size="16"
       :aria-label="title"
       name="check-circle"
-      use-deprecated-sizes
     />
     <h5 class="gl-mt-0 gl-mb-3">{{ title }}</h5>
   </div>