removed unwated column from css

app/assets/stylesheets/snippets.scss

@@ -17,7 +17,6 @@
     display: inline-block;
     background: url(asset_path('ext_snippet_icons/ext_snippet_icons.png')) no-repeat;
     overflow: hidden;
-    text-indent: -9999px;
     text-align: left;
     width: 16px;
     height: 16px;