MAGETWO-91262: Fix static test to check files in the lib directory

-fix after CR

Author: irenelagno

app/code/Magento/PageBuilder/view/adminhtml/web/css/source/content-type/text/_default.less

@@ -28,46 +28,5 @@
             }
         }
     }
-
-    .redactor-toolbar {
-        background: #2b2625;
-        -moz-border-radius: 3px;
-        -webkit-border-radius: 3px;
-        border-radius: 3px;
-        left: 10px !important;
-        position: absolute !important;
-        top: -40px !important;
-
-        a {
-            color: #f8f3eb;
-
-            &:hover {
-                background: @iconColorBackgroundHover;
-                color: #f8f3eb;
-            }
-        }
-    }
 }
 
-.redactor-placeholder {
-    min-height: 10px;
-}
-
-.redactor-toolbar {
-    a {
-        &.re-fontColor {
-            height: 42px;
-            padding-bottom: 0;
-            padding-top: 0;
-            .redactor-color-picker {
-                background: @color-black;
-                border: 2px solid @iconColorHover;
-                border-radius: 10px;
-                float: left;
-                height: 18px;
-                margin: 12px 0;
-                width: 18px;
-            }
-        }
-    }
-}