Mandate weight annotation (#5357)

* Disallow default weight

* Fix build and test

* Fix tests

* Fix another beloved ui test.

* fix beloved trybuild tests

* fix treasury?

* Final test fix

* Fix build

* Fix another one

* Fix

* More doctest fix

substrate/frame/timestamp/src/lib.rs

@@ -69,6 +69,7 @@
 //!
 //! decl_module! {
 //! 	pub struct Module<T: Trait> for enum Call where origin: T::Origin {
+//! 		#[weight = frame_support::weights::SimpleDispatchInfo::default()]
 //! 		pub fn get_time(origin) -> dispatch::DispatchResult {
 //! 			let _sender = ensure_signed(origin)?;
 //! 			let _now = <timestamp::Module<T>>::get();