tests: only run 'make lint' once in CI

Signed-off-by: Adrian Reber <areber@redhat.com>

.github/workflows/lint.yml

@@ -0,0 +1,13 @@
+name: Run code linter
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install tools
+      run: sudo apt-get install -qqy flake8 shellcheck
+    - name: Run make lint
+      run: make lint

scripts/travis/travis-tests

@@ -119,8 +119,6 @@ time make CC="$CC" -j4
 ./criu/criu -v4 cpuinfo dump || :
 ./criu/criu -v4 cpuinfo check || :
 
-make lint
-
 # Check that help output fits into 80 columns
 WIDTH=$(./criu/criu --help | wc --max-line-length)
 if [ "$WIDTH" -gt 80 ]; then