gccrs: Remove obsolete error diagnostic

gccrs: Remove obsolete error diagnostic

fixes https://github.com/Rust-GCC/gccrs/issues/2064

Remove every `{ dg-error "failed to type resolve expression" }`
annotation that causes a failure when running the testsuite.

gcc/rust/ChangeLog:

	* typecheck/rust-hir-type-check-expr.cc: Remove obsolete error diagnostic

gcc/testsuite/ChangeLog:

	* rust/compile/break1.rs: remove dg-error "failed to type resolve expression"
	* rust/compile/break2.rs: Likewise
	* rust/compile/cfg2.rs: Likewise
	* rust/compile/continue1.rs: Likewise
	* rust/compile/generics4.rs: Likewise
	* rust/compile/generics6.rs: Likewise
	* rust/compile/generics7.rs: Likewise
	* rust/compile/issue-2029.rs: Likewise
	* rust/compile/issue-2139.rs: Likewise
	* rust/compile/issue-2190-1.rs: Likewise
	* rust/compile/issue-925.rs: Likewise
	* rust/compile/method1.rs: Likewise
	* rust/compile/shadow1.rs: Likewise
	* rust/compile/type-bindings1.rs: Likewise
	* rust/compile/unary_negation.rs: Likewise
	* rust/compile/unary_not.rs: Likewise
	* rust/compile/unconstrained_type_param.rs: Likewise
	* rust/compile/usize1.rs: Likewise

Signed-off-by: Taiwei Wu <tieway59@foxmail.com>