No. Edge is a full browser for users. WebView2 is a system component for developers to embed web content inside apps. You can uninstall Edge without breaking WebView2, but uninstalling WebView2 will break many apps.
To successfully deploy in an environment without internet access, follow these steps outlined in the WebView2 Concept Documentation :
For enterprise testing or mission-critical applications that require a specific version that does not auto-update, Microsoft provides the "Fixed Version" runtime. This is usually accessed via the official Microsoft website or the Developer section of the Edge WebView2 program.