fix linting

Author: yoonhyejin

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/types/common/mappers/TimeStampMapper.java

@@ -1,7 +1,7 @@
 package com.linkedin.datahub.graphql.types.common.mappers;
 
 import com.linkedin.datahub.graphql.QueryContext;
-import com.linkedin.datahub.graphql.generated.TimeStamp;  // Note this import - the GraphQL TimeStamp
+import com.linkedin.datahub.graphql.generated.TimeStamp;
 import com.linkedin.datahub.graphql.types.mappers.ModelMapper;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
@@ -25,4 +25,4 @@ public TimeStamp apply(
     }
     return result;
   }
-}
+}

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/types/dataprocessinst/mappers/DataProcessInstanceMapper.java

@@ -50,7 +50,7 @@ private void mapDataProcessProperties(
     DataProcessInstanceProperties dataProcessInstanceProperties =
         new DataProcessInstanceProperties(dataMap);
     dpi.setName(dataProcessInstanceProperties.getName());
-    
+
     com.linkedin.datahub.graphql.generated.DataProcessInstanceProperties properties =
         new com.linkedin.datahub.graphql.generated.DataProcessInstanceProperties();
     properties.setCreated(TimeStampMapper.map(context, dataProcessInstanceProperties.getCreated()));