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