Remove unused bump-submodules script
Remove unused bump-submodules script

[#90350562]

CloudCredo/cf-mysql-release,cloudfoundry/cf-mysql-release,krishna-mk/cf-mysql-release,cloudfoundry/cf-mysql-release,kbastani/cf-mysql-release,cloudfoundry/cf-mysql-release,kbastani/cf-mysql-release,CloudCredo/cf-mysql-release,cloudfoundry/cf-mysql-release,CloudCredo/cf-mysql-release,krishna-mk/cf-mysql-release,krishna-mk/cf-mysql-release,kbastani/cf-mysql-release