Removed tag input focusing in post upload

This caused multiple problems with too eager scrolling:
- adding a new post to upload queue scrolled the site to the tag input
- problems on android, where keyboard can change viewport size on focus

TODO

@@ -3,7 +3,6 @@ first major release.
 
 - autocomplete: don't reset active item if suggestions stay the same
 - autocomplete: don't show items that are already used in tag list (unsure)
-- posts/upload: fix scrolling due to focus when selecting multiple posts
 - posts/upload: when adding multiple files, select first one, not last one
 - posts/upload: better hotkeys for going to next post
 - posts/upload: get rid of suggested tags after selecting next post

public_html/js/Presenters/PostUploadPresenter.js

@@ -341,7 +341,6 @@ App.Presenters.PostUploadPresenter = function(
 			hidePostEditForm();
 		} else {
 			showPostEditForm(selectedPosts);
-			tagInput.focus();
 		}
 		$el.find('.post-table-op').prop('disabled', selectedPosts.length === 0);
 	}