pallet-xcm: fix weights for all XTs and deprecate unlimited weight ones (#3927)

Fix "double-weights" for extrinsics, use only the ones benchmarked in
the runtime.

Deprecate extrinsics that don't specify WeightLimit, remove their usage
across the repo.

---------

Signed-off-by: Adrian Catangiu <adrian@parity.io>
Co-authored-by: command-bot <>

cumulus/parachains/runtimes/test-utils/src/lib.rs

@@ -425,12 +425,13 @@ impl<
 		}
 
 		// do teleport
-		<pallet_xcm::Pallet<Runtime>>::teleport_assets(
+		<pallet_xcm::Pallet<Runtime>>::limited_teleport_assets(
 			origin,
 			Box::new(dest.into()),
 			Box::new(beneficiary.into()),
 			Box::new((AssetId(asset), amount).into()),
 			0,
+			Unlimited,
 		)
 	}
 }