Revert "AS#145319139176894, Submissions: File picker not working on dev"

This reverts commit 3a2bb0f.

Author: vikasrohit

app/directives/tc-fp-file-input/tc-fp-file-input.jade

@@ -6,11 +6,9 @@
   .tc-label__wrapper
     span.tc-label__asterisk.lowercase(ng-if="mandatory") #[span *]mandatory
     input.tc-file-field__input(
-      filepicker
       type="filepicker-dragdrop",
       data-fp-maxSize="{{maxSize}}",
       data-fp-button-class="tc-btn",
-      data-fp-drag-class="tc-fp-file-drag-drop"
       data-fp-services="{{fpServices}}",
       data-fp-multiple="false",
       data-fp-extensions="{{extensions}}",

app/index.js

@@ -118,7 +118,6 @@ require('../assets/css/directives/challenge-tile.scss')
 require('../assets/css/directives/challenge-links.directive.scss')
 require('../assets/css/directives/badge-tooltip.scss')
 require('../assets/css/directives/tc-banner.scss')
-require('../assets/css/directives/tc-fp-file-input.directive.scss')
 require('../assets/css/community/statistics.scss')
 require('../assets/css/community/members.scss')
 require('../assets/css/community/community.scss')