fix: move experimental flag to server (#4959)

cli/root.go

@@ -50,12 +50,10 @@ const (
 	varNoFeatureWarning = "no-feature-warning"
 	varForceTty         = "force-tty"
 	varVerbose          = "verbose"
-	varExperimental     = "experimental"
 	notLoggedInMessage  = "You are not logged in. Try logging in using 'coder login <url>'."
 
 	envNoVersionCheck   = "CODER_NO_VERSION_WARNING"
 	envNoFeatureWarning = "CODER_NO_FEATURE_WARNING"
-	envExperimental     = "CODER_EXPERIMENTAL"
 	envSessionToken     = "CODER_SESSION_TOKEN"
 	envURL              = "CODER_URL"
 )
@@ -217,7 +215,6 @@ func Root(subcommands []*cobra.Command) *cobra.Command {
 	cmd.PersistentFlags().Bool(varNoOpen, false, "Block automatically opening URLs in the browser.")
 	_ = cmd.PersistentFlags().MarkHidden(varNoOpen)
 	cliflag.Bool(cmd.PersistentFlags(), varVerbose, "v", "CODER_VERBOSE", false, "Enable verbose output.")
-	cliflag.Bool(cmd.PersistentFlags(), varExperimental, "", envExperimental, false, "Enable experimental features. Experimental features are not ready for production.")
 
 	return cmd
 }
@@ -643,19 +640,3 @@ func (h *headerTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 	}
 	return h.transport.RoundTrip(req)
 }
-
-// ExperimentalEnabled returns if the experimental feature flag is enabled.
-func ExperimentalEnabled(cmd *cobra.Command) bool {
-	enabled, _ := cmd.Flags().GetBool(varExperimental)
-	return enabled
-}
-
-// EnsureExperimental will ensure that the experimental feature flag is set if the given flag is set.
-func EnsureExperimental(cmd *cobra.Command, name string) error {
-	_, set := cliflag.IsSet(cmd, name)
-	if set && !ExperimentalEnabled(cmd) {
-		return xerrors.Errorf("flag %s is set but requires flag --experimental or environment variable CODER_EXPERIMENTAL=true.", name)
-	}
-
-	return nil
-}