Revert "Fix bug where dragging and dropping disables captcha. #407"

This reverts commit c412a25d5a3fc9156f4f93df0f7b46ac988611ee.

Revert "Prevent dropping files onto captcha causing navigation to the file."

This reverts commit ee88196ffee1502fff13425457a8b831b13e8423.

src/General/css/style.css

@@ -1269,11 +1269,6 @@ input.field.tripped:not(:hover):not(:focus) {
   position: static !important;
 }
 
-/* Prevent dragging files into captcha */
-:root.dragging iframe {
-  pointer-events: none;
-}
-
 /* File Input, Submit Button */
 #file-n-submit {
   display: -webkit-flex;

src/Posting/QR.coffee

@@ -74,8 +74,6 @@ QR =
     $.on d, 'dragover',           QR.dragOver
     $.on d, 'drop',               QR.dropFile
     $.on d, 'dragstart dragend',  QR.drag
-    $.on d, 'dragenter',          QR.dragEnter
-    $.on d, 'dragleave drop',     QR.dragLeave
 
     $.on d, 'IndexRefresh', QR.generatePostableThreadsList
     $.on d, 'ThreadUpdate', QR.statusCheck
@@ -318,20 +316,10 @@ QR =
   dropFile: (e) ->
     # Let it only handle files from the desktop.
     return unless e.dataTransfer.files.length
-
     e.preventDefault()
     QR.open()
     QR.handleFiles e.dataTransfer.files
 
-  dragEnter: (e) ->
-    QR.dragTarget = e.target
-    $.addClass doc, 'dragging'
-
-  dragLeave: (e) ->
-    if QR.dragTarget is e.target or e.type is 'drop'
-      delete QR.dragTarget
-      $.rmClass doc, 'dragging'
-
   paste: (e) ->
     return unless e.clipboardData.items
     files = []