Remove package aliases from node template (#5389)

* delias outer node template

* dealias pallet template

* Fix mock

* attempt to fix warning

* Revert "attempt to fix warning"

This reverts commit 3d39142b877fb7ae2bd9bd0b31442a00d4c8f0bf.

* Add call to test interface.

substrate/client/executor/src/native_executor.rs

@@ -483,5 +483,7 @@ mod tests {
 				2,
 			);
 		});
+
+		my_interface::say_hello_world("hey");
 	}
 }