Adjust type path resolution error message

Adjust type path resolution error message

gcc/rust/ChangeLog:

	* resolve/rust-ast-resolve-type.cc
	(ResolveRelativeTypePath::go): Adjust error message to match
	the 2.0 name resolver.

gcc/testsuite/ChangeLog:

	* rust/compile/additional-trait-bounds2.rs: Adjust expected
	errors.
	* rust/compile/const_generics_4.rs: Likewise.
	* rust/compile/const_generics_7.rs: Likewise.
	* rust/compile/generic-default1.rs: Likewise.
	* rust/compile/generics5.rs: Likewise.
	* rust/compile/generics9.rs: Likewise.
	* rust/compile/issue-2423.rs: Likewise.
	* rust/compile/method2.rs: Likewise.
	* rust/compile/nr2/exclude: Remove entries.

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>