ci: remove unneeded SSH keys now MCP package is public

Author: ashleyhindle

.github/workflows/tests.yml

@@ -46,13 +46,6 @@ jobs:
           tools: composer:v2.8
           coverage: none
 
-      - name: Setup SSH Keys
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.MCP_DEPLOY_KEY }}" > ~/.ssh/id_rsa
-          chmod 600 ~/.ssh/id_rsa
-          ssh-keyscan github.com >> ~/.ssh/known_hosts
-
       - name: Install dependencies
         run: |
           composer update --prefer-dist --no-interaction --no-progress --with='illuminate/contracts:^${{ matrix.laravel }}'
@@ -92,13 +85,6 @@ jobs:
           tools: composer:v2.8
           coverage: none
 
-      - name: Setup SSH Keys
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.MCP_DEPLOY_KEY }}" > ~/.ssh/id_rsa
-          chmod 600 ~/.ssh/id_rsa
-          ssh-keyscan github.com >> ~/.ssh/known_hosts
-          
       - name: Install dependencies
         run: |
           composer update --prefer-dist --no-interaction --no-progress --with="illuminate/contracts:^${{ matrix.laravel }}.0"