message: chore(webpack): remove unused feature-flag in sass loader
diff: @@ -116,7 +116,6 @@ module.exports = ({ config, mode }) => {
  ],
  data: `
  $feature-flags: (
  - ui-shell: true,
  enable-css-custom-properties: ${useCarbonExpressive}
  );
  $dds-feature-flags: (
  @@ -136,7 +135,6 @@ module.exports = ({ config, mode }) => {
  ],
  data: `
  $feature-flags: (
  - ui-shell: true,
  enable-css-custom-properties: ${useCarbonExpressive}
  );
  $dds-feature-flags: (
  