Revert "Ui tests with compile_error resolved at call site"

This reverts commit e77db40b8d.

test_suite/tests/ui/expected-string/integer.stderr

@@ -1,10 +1,5 @@
 error: expected serde rename attribute to be a string: `rename = "..."`
  --> tests/ui/expected-string/integer.rs:5:22
   |
-3 | #[derive(Serialize)]
-  |          --------- in this derive macro expansion
-4 | struct S {
 5 |     #[serde(rename = 100)]
   |                      ^^^
-  |
-  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)