[Files App] Makes Camera folder modifiable

Per discussion with Files team, we agree that Camera folder should still
be modifiable.

Bug: 1127587
Test: Manually
Change-Id: I22a9e3eca0b7fb71bd883c37bb0e6a30509e8b80
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2477707Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Commit-Queue: Wei Lee <wtlee@chromium.org>
Cr-Commit-Position: refs/heads/master@{#820680}

ui/file_manager/file_manager/common/js/util.js

@@ -1238,9 +1238,6 @@ util.isNonModifiable = (volumeManager, entry) => {
     if (util.isPluginVmEnabled() && entry.fullPath === '/PvmDefault') {
       return true;
     }
-    if (util.isFilesCameraFolderEnabled() && entry.fullPath === '/Camera') {
-      return true;
-    }
   }
 
   if (volumeInfo.volumeType === VolumeManagerCommon.RootType.CROSTINI &&