remove prepack script and references (#77)

.github/workflows/publish-release.yml

@@ -33,8 +33,6 @@ jobs:
       - name: Dry Run Publish
         # omit npm-token token to perform dry run publish
         uses: MetaMask/action-npm-publish@v2
-        env:
-          SKIP_PREPACK: true
 
   publish-npm:
     environment: npm-publish
@@ -50,5 +48,3 @@ jobs:
           # This `NPM_TOKEN` needs to be manually set per-repository.
           # Look in the repository settings under "Environments", and set this token in the `npm-publish` environment.
           npm-token: ${{ secrets.NPM_TOKEN }}
-        env:
-          SKIP_PREPACK: true

package.json

@@ -22,7 +22,6 @@
     "lint:eslint": "eslint . --cache --ext js,ts",
     "lint:fix": "yarn lint:eslint --fix && yarn lint:misc --write",
     "lint:misc": "prettier '**/*.json' '**/*.md' '!CHANGELOG.md' '**/*.yml' '!.yarnrc.yml' --ignore-path .gitignore --no-error-on-unmatched-pattern",
-    "prepack": "./scripts/prepack.sh",
     "test": "jest"
   },
   "dependencies": {