Allow the use of any icon in a dropdown

src/definitions/modules/dropdown.less

@@ -84,7 +84,7 @@
  Dropdown Icon
 ---------------*/
 
-.ui.dropdown > .dropdown.icon {
+.ui.dropdown.dropdown > .icon {
   position: relative;
   width: auto;
   font-size: @dropdownIconSize;
@@ -384,9 +384,7 @@ select.ui.dropdown {
   border: @selectBorder;
   visibility: @selectVisibility;
 }
-.ui.selection.dropdown > .search.icon,
-.ui.selection.dropdown > .delete.icon,
-.ui.selection.dropdown > .dropdown.icon {
+.ui.selection.dropdown > .icon {
   cursor: pointer;
   position: absolute;
   width: auto;
@@ -513,8 +511,8 @@ select.ui.dropdown {
 }
 
 /* Dropdown Icon */
-.ui.active.selection.dropdown > .dropdown.icon,
-.ui.visible.selection.dropdown > .dropdown.icon {
+.ui.active.selection.dropdown > .icon,
+.ui.visible.selection.dropdown > .icon {
   opacity: @selectionVisibleIconOpacity;
   z-index: 3;
 }
@@ -662,7 +660,7 @@ select.ui.dropdown {
 }
 
 /* Dropdown Icon */
-.ui.multiple.dropdown .dropdown.icon {
+.ui.multiple.dropdown > .icon {
   margin: @multipleSelectionDropdownIconMargin;
   padding: @multipleSelectionDropdownIconPadding;
 }
@@ -721,7 +719,7 @@ select.ui.dropdown {
   display: inline-block;
   color: @inlineTextColor;
 }
-.ui.inline.dropdown .dropdown.icon {
+.ui.inline.dropdown > .icon {
   margin: @inlineIconMargin;
   vertical-align: baseline;
 }
@@ -1189,7 +1187,7 @@ select.ui.dropdown {
   width: 100%;
   min-width: 0em;
 }
-.ui.fluid.dropdown > .dropdown.icon {
+.ui.fluid.dropdown > .icon {
   float: right;
 }
 

src/themes/default/modules/dropdown.overrides

@@ -1,39 +1,9 @@
 /*******************************
          Theme Overrides
 *******************************/
-
-/* Dropdown Carets */
-@font-face {
-  font-family: 'Dropdown';
-  src:
-    url(data:application/x-font-ttf;charset=utf-8;base64,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) format('truetype'),
-    url(data:application/font-woff;charset=utf-8;base64,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) format('woff')
-  ;
-  font-weight: normal;
-  font-style: normal;
-}
-
-.ui.dropdown > .dropdown.icon {
-  font-family: 'Dropdown';
-  line-height: 1;
-  height: 1em;
-  width: 1.23em;
-  backface-visibility: hidden;
-  font-weight: normal;
-  font-style: normal;
-  text-align: center;
-}
-
-.ui.dropdown > .dropdown.icon {
-  width: auto;
-}
-.ui.dropdown > .dropdown.icon:before {
-  content: '\f0d7';
-}
-
 /* Sub Menu */
 .ui.dropdown .menu .item .dropdown.icon:before {
-  content: '\f0da'/*rtl:'\f0d9'*/;
+  content: "\f0da"/*rtl:"\f0d9"*/;
 }
 
 .ui.dropdown .item .left.dropdown.icon:before,