Remove sudo apt-get install imagemagick

Author: jdufresne

.github/workflows/test.yml

@@ -133,8 +133,6 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "18"
-      - name: Install ImageMagick
-        run: sudo apt-get install imagemagick
       - name: Setup application
         env:
           BUNDLE_GEMFILE: ../../${{ matrix.gemfile }}