Separating theme from layout for CSS files.

Change-Id: I4c3cec28b30de8026df4298f65ebf6ad92faf68f
(cherry picked from commit 11f662f)
diff --git a/web/gui/src/main/webapp/app/fw/svg/icon.css b/web/gui/src/main/webapp/app/fw/svg/icon.css
index 546f8b3..bf9d28c 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.css
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.css
@@ -15,7 +15,7 @@
  */
 
 /*
- ONOS GUI -- Icon Service -- CSS file
+ ONOS GUI -- Icon Service (layout) -- CSS file
  */
 
 svg#IconLibDefs {
@@ -37,56 +37,9 @@
 
 svg.embeddedIcon g.icon .glyph {
     stroke: none;
-    fill: white;
     fill-rule: evenodd;
 }
 
-
-/* Sortable table headers */
-.light div.tableColSort svg.embeddedIcon .icon .glyph {
-    fill: black;
-}
-.dark div.tableColSort svg.embeddedIcon .icon .glyph {
-    fill: #ccc;
-}
-
-
-/* color schemes for specific icon classes */
-
 svg.embeddedIcon .icon.appInactive .glyph {
     fill: none;
 }
-
-.light svg.embeddedIcon .icon.active .glyph {
-    fill: green;
-}
-.dark svg.embeddedIcon .icon.active .glyph {
-    fill: #308C10;
-}
-
-
-.light table svg.embeddedIcon {
-    fill: #ccc;
-}
-.dark table svg.embeddedIcon {
-    fill: #222;
-}
-.light table svg.embeddedIcon .glyph {
-    fill: #333;
-}
-.dark table svg.embeddedIcon .glyph {
-    fill: #ccc;
-}
-
-.light svg.embeddedIcon .icon.active .glyph {
-    fill: green;
-}
-.light svg.embeddedIcon .icon.inactive .glyph {
-    fill: darkred;
-}
-.dark svg.embeddedIcon .icon.active .glyph {
-    fill: #308C10;
-}
-.dark svg.embeddedIcon .icon.inactive .glyph {
-    fill: #AD2D2D;
-}