revert change to license check

Author: zacps

xtask/tests/tidy.rs

@@ -53,11 +53,9 @@ fn rust_files_are_tidy() {
 fn check_licenses() {
     let expected = "
 0BSD OR MIT OR Apache-2.0
-Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT
 Apache-2.0 OR BSL-1.0
 Apache-2.0 OR MIT
 Apache-2.0/MIT
-Apache-2.0
 BSD-2-Clause
 BSD-3-Clause
 CC0-1.0
@@ -84,10 +82,7 @@ Zlib
         .collect::<Vec<_>>();
     licenses.sort();
     licenses.dedup();
-    assert_eq!(
-        licenses.iter().filter(|license| !expected.contains(license)).collect::<Vec<_>>(),
-        Vec::<&&str>::new()
-    );
+    assert_eq!(licenses, expected);
 }
 
 fn check_todo(path: &Path, text: &str) {