Remove unnecessary CSS

Author: N1ck

src/style.css

@@ -52,11 +52,6 @@
 
 /* Fix for GitHub's new PR review dialog UI that cuts off GIF popups */
 /* Using attribute selectors to target classes that start with these prefixes */
-[class*="prc-Dialog-DialogOverflowWrapper-"] {
-  overflow: visible !important;
-  z-index: 100 !important;
-}
-
 [class*="prc-Dialog-Body-"] {
   overflow: visible !important;
 }