remove added blank line

Author: 0marperez

codegen/smithy-aws-kotlin-codegen/src/main/kotlin/software/amazon/smithy/kotlin/codegen/aws/customization/RegionSupport.kt

@@ -33,7 +33,6 @@ import software.amazon.smithy.rulesengine.language.syntax.parameters.Parameter
  * Region is enabled IFF sigv4(a) is enabled or an AWS SDK service is targeted
  */
 class RegionSupport : KotlinIntegration {
-
     companion object {
         const val BUILTIN_NAME = "AWS::Region"