The function is updated without an "envNamespace" argument, so we need to remove that logic (#3010)

Signed-off-by: waitstory <waitstory@163.com>

pkg/fission-cli/cmd/function/update.go

@@ -67,7 +67,6 @@ func (opts *UpdateSubCommand) complete(input cli.Input) error {
 	}
 
 	envName := input.String(flagkey.FnEnvironmentName)
-	envNamespace := input.String(flagkey.NamespaceEnvironment)
 	// if the new env specified is the same as the old one, no need to update package
 	// same is true for all update parameters, but, for now, we don't check all of them - because, its ok to
 	// re-write the object with same old values, we just end up getting a new resource version for the object.
@@ -75,10 +74,6 @@ func (opts *UpdateSubCommand) complete(input cli.Input) error {
 		envName = ""
 	}
 
-	if envNamespace == function.Spec.Environment.Namespace {
-		envNamespace = ""
-	}
-
 	pkgName := input.String(flagkey.FnPackageName)
 	entrypoint := input.String(flagkey.FnEntrypoint)
 
@@ -133,10 +128,6 @@ func (opts *UpdateSubCommand) complete(input cli.Input) error {
 		function.Spec.Environment.Name = envName
 	}
 
-	if len(envNamespace) > 0 {
-		function.Spec.Environment.Namespace = envNamespace
-	}
-
 	if len(entrypoint) > 0 {
 		function.Spec.Package.FunctionName = entrypoint
 	}