refactor(vertexai): decommission ControlledGenerationSchema6.java VertexAI sample file#10301

Kef131 wants to merge 2 commits into

mainGoogleCloudPlatform/java-docs-samples:mainfrom

refactor(vertexai)-remove-deprecated-controlled_generation_response_schema_6_regiontagGoogleCloudPlatform/java-docs-samples:refactor(vertexai)-remove-deprecated-controlled_generation_response_schema_6_regiontagCopy head branch name to clipboard