no title upon hover on button

closes #7551

Changelog.md

 # 0.7.1.0
 
 ## Refactor
+* Remove title from profile photo upload button [#7551](https://github.com/diaspora/diaspora/pull/7551)
 
 ## Bug fixes
 

app/assets/javascripts/helpers/profile_photo_uploader.js

@@ -78,6 +78,10 @@ Diaspora.ProfilePhotoUploader.prototype = {
             alert(errorReason);
           }
         }
+      },
+
+      text: {
+        fileInputTitle: ""
       }
     });
   }