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

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);
 	}