disable rat checks

Author: wangyum

dev/run-tests.py

@@ -201,7 +201,7 @@ def set_title_and_block(title, err_block):
 
 def run_apache_rat_checks():
     set_title_and_block("Running Apache RAT checks", "BLOCK_RAT")
-    run_cmd([os.path.join(SPARK_HOME, "dev", "check-license")])
+    # run_cmd([os.path.join(SPARK_HOME, "dev", "check-license")])
 
 
 def run_scala_style_checks(extra_profiles):