fix(material/button): incorrect outlined focus overlay shape when border radius is customized

Fixes that the focus overlay on outlined buttons wasn't covering the outlined button fully when its border radius is customized.

Fixes #30484.

Author: crisbeto

src/material/button/button.scss

@@ -264,14 +264,6 @@
       @include token-utils.create-token-slot(color, disabled-label-text-color);
       @include token-utils.create-token-slot(border-color, disabled-outline-color);
     }
-
-    // TODO(crisbeto): this causes a weird gap between the ripple and the
-    // outline. We should remove it and update the screenshot tests.
-    .mdc-button__ripple {
-      @include token-utils.create-token-slot(border-width, outline-width);
-      border-style: solid;
-      border-color: transparent;
-    }
   }
 }