x86/callthunks: Delete unused "struct thunk_desc"

It looks like it was never used.

Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/843bf596-db67-4b33-a865-2bae4a4418e5@p183

Author: Alexey Dobriyan

arch/x86/kernel/callthunks.c

@@ -48,11 +48,6 @@ EXPORT_SYMBOL_GPL(__x86_call_count);
 
 extern s32 __call_sites[], __call_sites_end[];
 
-struct thunk_desc {
-	void		*template;
-	unsigned int	template_size;
-};
-
 struct core_text {
 	unsigned long	base;
 	unsigned long	end;