build: remove static copy of react-responsive-carousel styles as it is no longer used statically (#23278)

This change
https://github.com/MetaMask/metamask-extension/pull/22531/files#diff-89ed0c4bbc62cc2f988334cb1572c5667d03bbf48b44c89f1d8f9e685bd2c257R6
allows for this PR.

Fixes #23094

Author: davidmurdoch

development/build/static.js

@@ -142,10 +142,6 @@ function getCopyTargets(
       // update this location in styles.js if it changes
       dest: `fonts/fontawesome`,
     },
-    {
-      src: getPathInsideNodeModules('react-responsive-carousel', 'lib/styles/'),
-      dest: 'react-gallery/',
-    },
     {
       src: `./ui/css/output/`,
       pattern: `*.css`,