Move most ui-fulldeps tests to ui

They pass fine. Only tests that required `extern crate rustc_*` or were
marked `ignore-stage1` have been keep in fulldeps.

Author: jyn514

src/tools/tidy/src/ui_tests.rs

@@ -9,7 +9,7 @@ use std::path::{Path, PathBuf};
 
 // FIXME: The following limits should be reduced eventually.
 const ENTRY_LIMIT: usize = 885;
-const ROOT_ENTRY_LIMIT: usize = 880;
+const ROOT_ENTRY_LIMIT: usize = 891;
 const ISSUES_ENTRY_LIMIT: usize = 1978;
 
 fn check_entries(tests_path: &Path, bad: &mut bool) {