misc: delete unused gradle script

[0marperez]

Issue #

Description of changes

Deleting an old gradle script. It doesn't appear to be used anywhere and it's not needed anymore

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions]

A new generated diff is ready to view.

• No codegen difference in the AWS SDK

[github-actions]

Affected Artifacts

Changed in size

Artifact	Pull Request (bytes)	Latest Release (bytes)	Delta (bytes)	Delta (percentage)
costandusagereportservice-jvm.jar closure	8,174,138	8,174,132	6	0.00%
ec2-jvm.jar closure	35,549,693	35,549,700	-7	-0.00%
ec2-jvm.jar	27,756,683	27,756,693	-10	-0.00%
cloudtrail-jvm.jar closure	10,211,120	10,211,140	-20	-0.00%
cloudtrail-jvm.jar	2,418,110	2,418,133	-23	-0.00%
budgets-jvm.jar closure	8,976,032	8,976,426	-394	-0.00%
kinesis-jvm.jar closure	9,078,082	9,080,345	-2,263	-0.02%
budgets-jvm.jar	1,183,022	1,183,419	-397	-0.03%
sagemaker-jvm.jar closure	26,527,455	26,550,900	-23,445	-0.09%
sagemaker-jvm.jar	18,734,445	18,757,893	-23,448	-0.13%
kinesis-jvm.jar	1,200,802	1,203,068	-2,266	-0.19%
pinpointsmsvoicev2-jvm.jar closure	11,250,519	11,324,545	-74,026	-0.65%
pinpointsmsvoicev2-jvm.jar	3,457,509	3,531,538	-74,029	-2.10%