Merge pull request #6466 from ethereum-optimism/fix/simplify-ci

ci: delete some temporary ci steps

.circleci/config.yml

@@ -115,19 +115,6 @@ jobs:
           name: Restore PNPM Package Cache
           keys:
             - pnpm-packages-v2-{{ checksum "pnpm-lock.yaml" }}
-      # TODO remove me after ci builder updated
-      - run:
-          name: Install pnpm package manager
-          command: |
-            npm i pnpm --global
-      # TODO remove me after ci builder updated
-      # A github dep clones-with-immutable-args is installed via github
-      # packages installed via npm via github automatically run postpack scripts
-      # their postpack script happens to use yarn so we need it here
-      - run:
-          name: Install yarn package manager
-          command: |
-            npm i yarn@1 --global
       - run:
           name: Install dependencies
           command: pnpm install --frozen-lockfile
@@ -498,19 +485,6 @@ jobs:
       - attach_workspace: { at: "." }
       - check-changed:
           patterns: contracts-bedrock
-      # TODO remove me after ci builder updated
-      - run:
-          name: Install pnpm package manager
-          command: |
-            npm i pnpm --global
-      # TODO remove me after ci builder updated
-      # A github dep clones-with-immutable-args is installed via github
-      # packages installed via npm via github automatically run postpack scripts
-      # their postpack script happens to use yarn so we need it here
-      - run:
-          name: Install yarn package manager
-          command: |
-            npm i yarn@1 --global
       - run:
           name: Compile with metadata hash
           command: pnpm clean && pnpm build:with-metadata
@@ -583,19 +557,6 @@ jobs:
             - pnpm-packages-v2-{{ checksum "pnpm-lock.yaml" }}
       - check-changed:
           patterns: <<parameters.package_name>>,<<parameters.dependencies>>
-      # TODO remove me after ci builder updated
-      - run:
-          name: Install pnpm package manager
-          command: |
-            npm i pnpm --global
-      # TODO remove me after ci builder updated
-      # A github dep clones-with-immutable-args is installed via github
-      # packages installed via npm via github automatically run postpack scripts
-      # their postpack script happens to use yarn so we need it here
-      - run:
-          name: Install yarn package manager
-          command: |
-            npm i yarn@1 --global
       - run:
           name: Lint
           command: pnpm lint && git diff --exit-code
@@ -781,21 +742,6 @@ jobs:
             - pnpm-packages-v2-{{ checksum "pnpm-lock.yaml" }}
       - check-changed:
           patterns: packages
-      # TODO remove me after ci builder updated
-      - run:
-          name: Install pnpm package manager
-          command: |
-            npm i pnpm --global
-      # TODO remove me after ci builder updated
-      # A github dep clones-with-immutable-args is installed via github
-      # packages installed via npm via github automatically run postpack scripts
-      # their postpack script happens to use yarn so we need it here
-      - run:
-          name: Install yarn package manager
-          command: |
-            npm i yarn@1 --global
-      # Note: The below needs to be manually configured whenever we
-      # add a new package to CI.
       - run:
           name: Check common-ts
           command: npx depcheck