chore(ci): simplify E2E test workflow by removing matrix strategy

Author: spencercjh

.github/workflows/ci.yml

@@ -80,9 +80,6 @@ jobs:
     name: E2E Tests
     runs-on: ubuntu-latest
     needs: build
-    strategy:
-      matrix:
-        test-type: [ maven, gradle ]
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -99,15 +96,5 @@ jobs:
           java-version: "25"
           distribution: "temurin"
 
-      - name: Setup Maven
-        if: matrix.test-type == 'maven'
-        uses: stCarolas/setup-maven@v5
-        with:
-          maven-version: 3.9.6
-
-      - name: Setup Gradle
-        if: matrix.test-type == 'gradle'
-        uses: gradle/actions/setup-gradle@v4
-
       - name: Run E2E tests (${{ matrix.test-type }})
         run: make test-e2e