Rollup merge of #133584 - ehuss:more-2024-unstable-options, r=compiler-errors

Update more 2024 tests to remove -Zunstable-options

This removes `-Zunsable-options` from more tests that I missed in #133349.

Author: matthiaskrgr

tests/rustdoc-ui/doctest/doctest-output-include-fail.rs

@@ -1,5 +1,5 @@
 //@ edition:2024
-//@ compile-flags:--test --test-args=--test-threads=1 -Z unstable-options
+//@ compile-flags:--test --test-args=--test-threads=1
 //@ normalize-stdout-test: "tests/rustdoc-ui/doctest" -> "$$DIR"
 //@ normalize-stdout-test: "finished in \d+\.\d+s" -> "finished in $$TIME"
 //@ failure-status: 101

tests/rustdoc-ui/doctest/doctest-output.rs

@@ -4,7 +4,7 @@
 //@[edition2015]compile-flags:--test --test-args=--test-threads=1
 //@[edition2024]edition:2015
 //@[edition2024]aux-build:extern_macros.rs
-//@[edition2024]compile-flags:--test --test-args=--test-threads=1 -Z unstable-options
+//@[edition2024]compile-flags:--test --test-args=--test-threads=1
 //@ normalize-stdout-test: "tests/rustdoc-ui/doctest" -> "$$DIR"
 //@ normalize-stdout-test: "finished in \d+\.\d+s" -> "finished in $$TIME"
 //@ check-pass