remove java code owner due to no required for java.md anymore (#13053)
remove java code owner due to no required for java.md anymore (#13053)


solankisamir/azure-rest-api-specs,vladrai/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs,solankisamir/azure-rest-api-specs,AppPlatPerf/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,AuxMon/azure-rest-api-specs,AsrOneSdk/azure-rest-api-specs,brjohnstmsft/azure-rest-api-specs,johanste/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,vladrai/azure-rest-api-specs,johanste/azure-rest-api-specs,AuxMon/azure-rest-api-specs,naveedaz/azure-rest-api-specs,brjohnstmsft/azure-rest-api-specs,yugangw-msft/azure-rest-api-specs,naveedaz/azure-rest-api-specs