Compiler Attributes: remove unused attributes

__optimize and __deprecate_for_modules are unused in
the whole kernel tree. Simply drop them.

Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # on top of v4.19-rc5, clang 7
Reviewed-by: NNick Desaulniers <ndesaulniers@google.com>
Reviewed-by: NLuc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: NMiguel Ojeda <miguel.ojeda.sandonis@gmail.com>

include/linux/compiler-gcc.h

@@ -81,8 +81,6 @@
 
 #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
 
-#define __optimize(level)	__attribute__((__optimize__(level)))
-
 #define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
 
 #ifndef __CHECKER__

include/linux/compiler.h

@@ -301,10 +301,6 @@ static inline void *offset_to_ptr(const int *off)
 
 #endif /* __ASSEMBLY__ */
 
-#ifndef __optimize
-# define __optimize(level)
-#endif
-
 /* Compile time object size, -1 for unknown */
 #ifndef __compiletime_object_size
 # define __compiletime_object_size(obj) -1

include/linux/compiler_types.h

@@ -108,7 +108,6 @@ struct ftrace_likely_data {
 
 /* Don't. Just don't. */
 #define __deprecated
-#define __deprecated_for_modules
 
 #endif /* __KERNEL__ */