remove not applicable rustc patch

rustc_patches/compile_test.patch

@@ -1,14 +0,0 @@
-diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs
-index 887d27fd6dca4..2c2239f2b83d1 100644
---- a/src/tools/compiletest/src/header.rs
-+++ b/src/tools/compiletest/src/header.rs
-@@ -806,8 +806,8 @@ pub fn make_test_description<R: Read>(
-     cfg: Option<&str>,
- ) -> test::TestDesc {
-     let mut ignore = false;
-     #[cfg(not(bootstrap))]
--    let ignore_message: Option<String> = None;
-+    let ignore_message: Option<&str> = None;
-     let mut should_fail = false;
-
-     let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some();

test.sh

@@ -296,8 +296,6 @@ function test_rustc() {
     git checkout $(rustc -V | cut -d' ' -f3 | tr -d '(')
     export RUSTFLAGS=
 
-    git apply ../rustc_patches/compile_test.patch || true
-
     rm config.toml || true
 
     cat > config.toml <<EOF