Merge #9463

9463: fix: Remove incorrect std dep r=jonas-schievink a=jonas-schievink

libstd doesn't actually depend on `proc_macro`. cc #9456 (comment)

bors r+

Co-authored-by: Jonas Schievink <[email protected]>

Author: bors[bot]

crates/project_model/src/sysroot.rs

@@ -210,7 +210,6 @@ core
 panic_abort
 panic_unwind
 profiler_builtins
-proc_macro
 std_detect
 term
 test