libutils: remove obsolete macros

Signed-off-by: Axel Heider <[email protected]>

libutils/include/utils/assume.h

@@ -6,9 +6,7 @@
 
 #pragma once
 
-#include <utils/attribute.h>
 #include <utils/builtin.h>
-#include <utils/stringify.h>
 
 /* This idiom is a way of passing extra information or hints to GCC. It is only
  * occasionally successful, so don't think of it as a silver optimisation
@@ -20,32 +18,3 @@
             __builtin_unreachable(); \
         } \
     } while (0)
-
-/* Indicate to the compiler that wherever this macro appears is a cold
- * execution path. That is, it is not performance critical and likely rarely
- * used. A perfect example is error handling code. This gives the compiler a
- * light hint to deprioritise optimisation of this path.
- */
-
-#ifdef __clang__
-
-/* Avoid warning: 'cold' attribute only applies to functions */
-#define COLD_PATH() do { } while(0)
-#define HOT_PATH() do { } while(0)
-
-#else /* not __clang__ */
-
-#define COLD_PATH() \
-    do { \
-        JOIN(cold_path_, __COUNTER__): COLD UNUSED; \
-    } while (0)
-
-/* The opposite of `COLD_PATH`. That is, aggressively optimise this path,
- * potentially at the expense of others.
- */
-#define HOT_PATH() \
-    do { \
-        JOIN(hot_path_, __COUNTER__): HOT UNUSED; \
-    } while (0)
-
-#endif /* [not] __clang__ */