fixup! revert swift-demangle changes

Author: charles-zablit

test/Demangle/Inputs/manglings.txt

@@ -497,4 +497,3 @@ _$s15raw_identifiers0020pathfoo_yuEHaaCiJskayyF ---> raw_identifiers.`path://foo
 _$s15raw_identifiers10FontWeightO009_100_FpEpdyyFZ ---> static raw_identifiers.FontWeight.`100`() -> ()
 $s7Library1BC1iSivxTwd ---> default override of Library.B.i.modify2 : Swift.Int
 $s7Library1BC1iSivxTwdTwc ---> coro function pointer to default override of Library.B.i.modify2 : Swift.Int
-$s3use1xAA3OfPVy3lib1GVyAA1fQryFQOyQo_GAjE1PAAxAeKHD1_AIHO_HCg_Gvp ---> use.x : use.OfP<lib.G<<<opaque return type of use.f() -> some>>.0>>