How to use the mirage.fileable.rm function in mirage

mys.command("yarn add --dev create-react-app")

            if self._js_runtime == "--javascript":
                mys.command("./node_modules/.bin/create-react-app shell")
            else:
                mys.command("./node_modules/.bin/create-react-app --scripts-version=react-scripts-ts shell")

            logger.update("Installing additional packages...")
            with proj.InDir("./shell"):
                mys.command("yarn add redux react-redux")
                mys.command("yarn add react-router react-router-dom")

            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")

self._create_package_json()
            mys.command("yarn add --dev create-react-app")

            if self._js_runtime == "--javascript":
                mys.command("./node_modules/.bin/create-react-app shell")
            else:
                mys.command("./node_modules/.bin/create-react-app --scripts-version=react-scripts-ts shell")

            logger.update("Installing additional packages...")
            with proj.InDir("./shell"):
                mys.command("yarn add redux react-redux")
                mys.command("yarn add react-router react-router-dom")

            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")

if self._js_runtime == "--javascript":
                mys.command("./node_modules/.bin/create-react-app shell")
            else:
                mys.command("./node_modules/.bin/create-react-app --scripts-version=react-scripts-ts shell")

            logger.update("Installing additional packages...")
            with proj.InDir("./shell"):
                mys.command("yarn add redux react-redux")
                mys.command("yarn add react-router react-router-dom")

            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")

mys.command("yarn add --dev create-react-app")

            if self._js_runtime == "--javascript":
                mys.command("./node_modules/.bin/create-react-app shell")
            else:
                mys.command("./node_modules/.bin/create-react-app --scripts-version=react-scripts-ts shell")

            logger.update("Installing additional packages...")
            with proj.InDir("./shell"):
                mys.command("yarn add redux react-redux")
                mys.command("yarn add react-router react-router-dom")

            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")

elif self._plugins == "--material":
                logger.update("Installing material theme packages...")
                with proj.InDir("./shell"):
                    mys.command("yarn add @angular/material @angular/cdk")

            elif self._plugins == "--bootstrap":
                logger.update("Installing Bootstrap theme packages...")
                with proj.InDir("./shell"):
                    mys.command("yarn add ngx-bootstrap")


            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")

elif self._plugins == "--bootstrap":
                logger.update("Installing Bootstrap theme packages...")
                with proj.InDir("./shell"):
                    mys.command("yarn add ngx-bootstrap")


            # Cleaning
            logger.update("Cleaning...", withLazy = True)
            fileable.rm("yarn.lock")
            fileable.rm("package.json")
            fileable.rm("node_modules/")

            with proj.InDir("./shell"):
                fileable.rm(".gitignore")
                fileable.rm("README.md")


        # Completed
        logger.update("Completed!")