firmware_loader: remove old DECLARE_BUILTIN_FIRMWARE()

This was never used upstream. Time to get rid of it. We
don't carry around unused baggage.
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211021155843.1969401-3-mcgrof@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/firmware.h

@@ -32,19 +32,6 @@ struct builtin_fw {
 };
 
 bool firmware_request_builtin(struct firmware *fw, const char *name);
-
-/* We have to play tricks here much like stringify() to get the
-   __COUNTER__ macro to be expanded as we want it */
-#define __fw_concat1(x, y) x##y
-#define __fw_concat(x, y) __fw_concat1(x, y)
-
-#define DECLARE_BUILTIN_FIRMWARE(name, blob)				     \
-	DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
-
-#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size)			     \
-	static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
-	__used __section(".builtin_fw") = { name, blob, size }
-
 #else
 static inline bool firmware_request_builtin(struct firmware *fw,
 					    const char *name)