[HOTFIX] Fix whitespace style error

Author: Michael Armbrust <michael@databricks.com>

Closes #7102 from marmbrus/fixStyle and squashes the following commits:

8c08124 [Michael Armbrust] [HOTFIX] Fix whitespace style error

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/HiveTypeCoercion.scala

@@ -309,7 +309,6 @@ trait HiveTypeCoercion {
     def apply(plan: LogicalPlan): LogicalPlan = plan transformAllExpressions {
       // Skip nodes who's children have not been resolved yet.
       case e if !e.childrenResolved => e
-      
       case i @ In(a, b) if b.exists(_.dataType != a.dataType) =>
         i.makeCopy(Array(a, b.map(Cast(_, a.dataType))))
     }