Try to fix travis (again)

.travis.yml

@@ -43,7 +43,7 @@ matrix:
   - env: TEST_SUITE=lint
 
 script:
-  - travis_retry (killall -q peertube || true) && npm run travis -- "$TEST_SUITE"
+  - travis_retry npm run travis -- "$TEST_SUITE"
 
 after_failure:
   - cat test1/logs/all-logs.log

scripts/travis.sh

@@ -7,6 +7,8 @@ if [ $# -eq 0 ]; then
     exit -1
 fi
 
+killall -q peertube || true
+
 if [ "$1" = "misc" ]; then
     npm run build
     mocha --timeout 5000 --exit --require ts-node/register/type-check --bail server/tests/client.ts server/tests/activitypub.ts \