Removed linux scrollbar style.

Author: larz0

src/styles/brackets.less

@@ -65,34 +65,6 @@ html, body {
     backface-visibility: hidden;
 }
 
-.platform-linux {
-    ::-webkit-scrollbar {
-        width: 8px;
-        height: 8px;
-    }
-
-    ::-webkit-scrollbar-track:vertical {
-        margin: 0 0 8px 0;
-    }
-
-    ::-webkit-scrollbar-track:horizontal {
-        margin: 0 8px 0 0;
-    }
-
-    ::-webkit-scrollbar-thumb {
-        background: @custom-scrollbar-thumb;
-        border-radius: 4px;
-    }
-
-    ::-webkit-scrollbar-corner {
-        background: none;
-    }
-
-    ::-webkit-scrollbar-thumb:window-inactive {
-        background: @custom-scrollbar-thumb-inactive;
-    }
-}
-
 .resizing-container {
     position: absolute;
     top: 0;