add left padding to the code block

removed unnecessary files and changes

src/styles/brackets_codemirror_override.less

@@ -31,7 +31,6 @@
 }
 
 .show-line-padding .CodeMirror pre {
-    padding-left: 0;
 }
 
 .CodeMirror-scroll {
@@ -122,6 +121,7 @@ div.CodeMirror-cursors {
 
 .CodeMirror-lines {
     padding: @code-padding 0;
+    padding-left: 10px;
 
     /* This is necessary for issue #2780. The logic for closing dropdowns depends on "click" events. Now
      * that each line has a separate div element, there is a good chance that mouseDown and mouseUp events
@@ -141,6 +141,7 @@ div.CodeMirror-cursors {
 .CodeMirror-gutters {
     background-color: @background;
     border-right: none;
+    padding-right: @code-padding;
 }
 
 .platform-mac {
@@ -231,6 +232,8 @@ div.CodeMirror-cursors {
     .CodeMirror .CodeMirror-gutters {
         background: transparent;
         border-right: none;
+        padding-right: @code-padding;
+
     }
     
     .CodeMirror-scroll {