Release and Packaging: Clean up (#3489)

Makefile

@@ -8,8 +8,7 @@ help:
 	@echo "Usage:"
 	@echo "  make install          - Install npm dependencies"
 	@echo "  make build            - Build the entire project"
-	@echo "  make build-sandbox    - Build the sandbox container"
-	@echo "  make build-all        - Build the project and the sandbox"
+	@echo "  make build-all        - Build the entire project"
 	@echo "  make test             - Run the test suite"
 	@echo "  make lint             - Lint the code"
 	@echo "  make format           - Format the code"
@@ -17,7 +16,7 @@ help:
 	@echo "  make clean            - Remove generated files"
 	@echo "  make start            - Start the Gemini CLI"
 	@echo "  make debug            - Start the Gemini CLI in debug mode"
-	@echo "  make release          - Publish a new release"
+	@echo ""
 	@echo "  make run-npx          - Run the CLI using npx (for testing the published package)"
 	@echo "  make create-alias     - Create a 'gemini' alias for your shell"
 
@@ -27,8 +26,6 @@ install:
 build:
 	npm run build
 
-build-sandbox:
-	npm run build:sandbox
 
 build-all:
 	npm run build:all
@@ -54,8 +51,6 @@ start:
 debug:
 	npm run debug
 
-release:
-	npm run publish:release
 
 run-npx:
 	npx https://github.com/google-gemini/gemini-cli