Better diff for userChrome.css

All rules & selectors have an unnecessary prefix that must be removed to
be used. Better to remove only comment start and end lines, for cleaner
diffs when comparing one's own version against updates.

userChrome.css

@@ -6,18 +6,18 @@
 
 /* Enable option to edit bookmark URLs under Add Bookmark (blue star) menu */
 /*
- * .editBMPanel_locationRow {
- *   display: initial !important;
- * }
+.editBMPanel_locationRow {
+  display: initial !important;
+}
 */
 
 /* Disable Email Image/Audio/Video and Set as Desktop Background context menu items */
 /*
- * #context-sendimage,
- * #context-sendvideo,
- * #context-sendaudio,
- * #context-sep-setbackground,
- * #context-setDesktopBackground {
- *   display: none !important;
- * }
+#context-sendimage,
+#context-sendvideo,
+#context-sendaudio,
+#context-sep-setbackground,
+#context-setDesktopBackground {
+  display: none !important;
+}
 */