Cleanup missed property from #4243 (#4247)

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Author: landonxjames

aws/sdk/gradle.properties

@@ -3,12 +3,3 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 aws.services=
-aws.services.hints.mostlyUnused=\
-  aws-sd-cloudformation,\
-  aws-sdk-dynamodb,\
-  aws-sdk-ec2,\
-  aws-sdk-s3,\
-  aws-sdk-sns,\
-  aws-sdk-sqs,\
-  aws-sdk-ssm,\
-  aws-sdk-sts