reduced cs fixer level

.jms.yml

@@ -6,7 +6,7 @@ default_config:
     doc_comment_fixes: true
     fabpot_cs_fixer:
         enabled: true
-        level: all
+        level: PSR-2
     psr0_compliance: true
     checkstyle: true
     loops_must_use_braces: true
@@ -24,4 +24,4 @@ path_configs:
         fabpot_cs_fixer: false
         psr0_compliance: false
         checkstyle: false
-        phpunit_checks: true
+        phpunit_checks: true