Remove code coverage testing from GitHub CI

Change-Id: I49e2276248874b5978d465d2d1359ebabd057bed
diff --git a/.github/workflows/ci_test.yml b/.github/workflows/ci_test.yml
new file mode 100644
index 0000000..26b2a10
--- /dev/null
+++ b/.github/workflows/ci_test.yml
@@ -0,0 +1,18 @@
+name: CI + Coverage Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Krill
+        uses: actions/checkout@v2
+
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Build and install Krill
+        run: mvn install
diff --git a/.github/workflows/ci_test_and_coverage.yml b/.github/workflows/ci_test_and_coverage.yml
deleted file mode 100644
index a756e96..0000000
--- a/.github/workflows/ci_test_and_coverage.yml
+++ /dev/null
@@ -1,27 +0,0 @@
-name: CI + Coverage Test
-
-on: [push, pull_request]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Krill
-        uses: actions/checkout@v2
-
-      - name: Set up JDK 11
-        uses: actions/setup-java@v1
-        with:
-          java-version: 11
-
-      - name: Build and install Krill
-        run: mvn install
-
-      - name: Generate code coverage report
-        run: mvn cobertura:cobertura
-
-      - name: Upload coverage report to Codecov
-        uses: codecov/codecov-action@v1
-        with:
-          token: ${{ secrets.CODECOV_TOKEN }}
-          verbose: true