ci: remove fork cherry pick job (#18954)

.github/workflows/fork-cherry-pick.yml

@@ -1,39 +0,0 @@
-# This CI is disabled on main and meant to be enabled on forks as an easy way to cherry pick fork commits into main.
-# In order to submit a PR from your repo to the Cosmos SDK, a PRBOT_PAT secret (personal access token) must be available for the GitHub Action (Settings > Secrets > Actions).
-# The PR will be submitted from the user of the PAT. Note, the PRBOT_PAT user must have write access to the repo.
-name: Cherry pick PR to Cosmos SDK
-on:
-  # Set to trigger on every merge to main, not just a closed PR.
-  workflow_dispatch:
-  pull_request_target:
-    branches:
-      - main
-    types: ["closed"]
-
-jobs:
-  cherry_pick:
-    permissions: write-all
-    runs-on: ubuntu-latest
-    name: Cherry pick into main
-    if: github.event.pull_request.merged == true
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Create PR Patch Branch
-        shell: bash
-        env:
-          PR_NAME: pr-patch-${{ github.sha }}
-        run: |
-          git config --global user.name "${{ github.actor }}" # Config have to be set for pushing the cherry-picked changes onto fork pr-patch branch.
-          git config --global user.email "${{ github.actor }}@users.noreply.github.com"
-          git remote add upstream https://github.com/cosmos/cosmos-sdk.git
-          git fetch --all  # Get the latest code
-          git checkout -b $PR_NAME upstream/main    # Create new branch based on main branch
-          git cherry-pick -X theirs ${{ github.sha }} # Cherry pick the latest commit of PR
-          git push -u origin $PR_NAME # Push your changes to the remote branch
-      - name: Autocreate PR
-        shell: bash
-        env:
-          GH_TOKEN: ${{ secrets.PRBOT_PAT }}
-        run: |
-          gh pr create --repo cosmos/cosmos-sdk --base main --head "${{ github.event.repository.owner.login }}:pr-patch-${{ github.sha }}" --title "${{ github.event.pull_request.title }}" --body "Automated PR for commit: ${{ github.sha }} from ${{ github.repository }}"