Update c_headers.py

Author: StunxFS

rivetc/src/codegen/c_headers.py

@@ -64,7 +64,7 @@
 typedef uint64_t uint64;
 typedef ptrdiff_t ri_int;
 typedef size_t ri_uint;
-typedef ri_int comptime_int; // TODO: remove
+typedef ri_int comptime_int;
 
 typedef uint8 bool;
 typedef uint32 rune;