ref: disable profiling of webpack (#62339)

this is 3x-ing the build time and occasionally hanging forever

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.github/workflows/acceptance.yml

@@ -89,7 +89,6 @@ jobs:
 
       - name: webpack
         env:
-          SENTRY_INSTRUMENTATION: 1
           # this is fine to not have for forks, it shouldn't fail
           SENTRY_WEBPACK_WEBHOOK_SECRET: ${{ secrets.SENTRY_WEBPACK_WEBHOOK_SECRET }}
         run: |