Comment out useless color const

packages/editor/src/services/editor-theme/material.ts

@@ -9,7 +9,7 @@ const base00 = '#2e3235',
   base01 = '#505d64',
   base02 = '#606f7a',
   base03 = '#707d8b',
-  base04 = '#a0a4ae',
+  // base04 = '#a0a4ae',
   base05 = '#bdbdbd',
   base06 = '#e0e0e0',
   base07 = '#fdf6e3',