Remove ui namespace from dimmable, now transition, dimmable, and pushable are the only 3 free floating class names

src/definitions/modules/dimmer.js

@@ -566,7 +566,7 @@ $.fn.dimmer.settings = {
   },
 
   selector: {
-    dimmable : '.ui.dimmable',
+    dimmable : '.dimmable',
     dimmer   : '.ui.dimmer',
     content  : '.ui.dimmer > .content, .ui.dimmer > .content > .center'
   },
@@ -579,7 +579,7 @@ $.fn.dimmer.settings = {
 
   className : {
     active     : 'active',
-    dimmable   : 'ui dimmable',
+    dimmable   : 'dimmable',
     dimmed     : 'dimmed',
     disabled   : 'disabled',
     pageDimmer : 'page',

src/definitions/modules/dimmer.less

@@ -23,7 +23,7 @@
             Dimmer
 *******************************/
 
-.ui.dimmable {
+.dimmable {
   position: @dimmablePosition;
 }
 
@@ -75,12 +75,12 @@
             States
 *******************************/
 
-.ui.dimmed.dimmable:not(body) {
+.dimmed.dimmable:not(body) {
   overflow: @overflow;
 }
 
-.ui.dimmed.dimmable > .ui.animating.dimmer,
-.ui.dimmed.dimmable > .ui.visible.dimmer,
+.dimmed.dimmable > .ui.animating.dimmer,
+.dimmed.dimmable > .ui.visible.dimmer,
 .ui.active.dimmer {
   display: block;
   width: 100%;
@@ -108,14 +108,14 @@
   transform-origin: center center;
 }
 
-body.ui.dimmed.dimmable {
+body.dimmed.dimmable {
   overflow: hidden;
 }
-body.ui.dimmable > .dimmer {
+body.dimmable > .dimmer {
   position: fixed;
 }
 
-body.ui.dimmed.dimmable > :not(.dimmer){
+body.dimmed.dimmable > :not(.dimmer){
   filter: @elementFilter;
 }
 
@@ -153,7 +153,7 @@ body.ui.dimmed.dimmable > :not(.dimmer){
   z-index: -100;
   background-color: @simpleStartBackground;
 }
-.ui.dimmed.dimmable > .ui.simple.dimmer {
+.dimmed.dimmable > .ui.simple.dimmer {
   overflow: visible;
   opacity: 1;
   width: 100%;
@@ -165,7 +165,7 @@ body.ui.dimmed.dimmable > :not(.dimmer){
 .ui.simple.inverted.dimmer {
   background: @simpleInvertedStartBackground;
 }
-.ui.dimmed.dimmable > .ui.simple.inverted.dimmer {
+.dimmed.dimmable > .ui.simple.inverted.dimmer {
   background: @simpleInvertedEndBackground;
 }