Remove duplicated variables from one of less files

Author: lumnn

lib/web/css/source/lib/_pages.less

@@ -76,7 +76,6 @@
     @_pager-action-background: @pager-action__background,
     @_pager-action-gradient-color-start: @pager__gradient-color-start,
     @_pager-action-gradient-color-end: @pager__gradient-color-end,
-    @_pager-action-text-decoration: @pager-action__text-decoration,
 
     //  Page action item (previous-next) - visited
     @_pager-action-color-visited: @pager-action__visited__color,
@@ -91,7 +90,6 @@
     @_pager-action-background-hover: @pager-action__hover__background,
     @_pager-action-gradient-color-start-hover: @pager__hover__gradient-color-start,
     @_pager-action-gradient-color-end-hover: @pager__hover__gradient-color-end,
-    @_pager-action-text-decoration-hover: @pager-action__text-decoration,
 
     //  Page action item (previous-next) - active
     @_pager-action-color-active: @pager-action__active__color,