Removed unneeded check on job type during job execution

Job type is checked during job creation. No need to check it during
execution. Plugin should check that cluster supports given job type,
but removed check had nothing to do with that.

Change-Id: I33a7806cfbc63d3dc26729efe83a23191a3dd527

sahara/service/edp/job_manager.py

@@ -145,8 +145,6 @@ def run_job(job_execution_id):
     else:
         input_source = None
         output_source = None
-    #TODO(nprivalova): should be removed after all features implemented
-    validate(input_source, output_source, job)
 
     for data_source in [input_source, output_source]:
         if data_source and data_source.type == 'hdfs':
@@ -237,12 +235,3 @@ def _append_slash_if_needed(path):
     if path[-1] != '/':
         path += '/'
     return path
-
-
-#TODO(nprivalova): this validation should be removed after implementing
-#  all features
-def validate(input_data, output_data, job):
-    if not edp.compare_job_type(job.type, edp.JOB_TYPE_PIG,
-                                edp.JOB_TYPE_MAPREDUCE, edp.JOB_TYPE_HIVE,
-                                edp.JOB_TYPE_JAVA):
-        raise RuntimeError