feat: Drop useless JS Modules and Files - EXO-72981 (#798)

Co-authored-by: Boubaker Khanfir <boubaker.khanfir@gmail.com>

Author: MayTekayaa

application/src/main/webapp/WEB-INF/gatein-resources.xml

@@ -98,15 +98,6 @@
         <depends>
             <module>bts_dropdown</module>
         </depends>
-        <depends>
-            <module>fetchPolyfill</module>
-        </depends>
-        <depends>
-            <module>customEventPolyfill</module>
-        </depends>
-        <depends>
-            <module>iePolyfills</module>
-        </depends>
         <depends>
             <module>extensionRegistry</module>
         </depends>