crypto: asymmetric_keys - Remove unused key_being_used_for[]

key_being_used_for[] is an unused array of textual names for
the elements of the enum key_being_used_for.  It was added in 2015 by
commit 99db443 ("PKCS#7: Appropriately restrict authenticated
attributes and content type")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Author: Dr. David Alan Gilbert

crypto/asymmetric_keys/asymmetric_type.c

@@ -18,16 +18,6 @@
 #include "asymmetric_keys.h"
 
 
-const char *const key_being_used_for[NR__KEY_BEING_USED_FOR] = {
-	[VERIFYING_MODULE_SIGNATURE]		= "mod sig",
-	[VERIFYING_FIRMWARE_SIGNATURE]		= "firmware sig",
-	[VERIFYING_KEXEC_PE_SIGNATURE]		= "kexec PE sig",
-	[VERIFYING_KEY_SIGNATURE]		= "key sig",
-	[VERIFYING_KEY_SELF_SIGNATURE]		= "key self sig",
-	[VERIFYING_UNSPECIFIED_SIGNATURE]	= "unspec sig",
-};
-EXPORT_SYMBOL_GPL(key_being_used_for);
-
 static LIST_HEAD(asymmetric_key_parsers);
 static DECLARE_RWSEM(asymmetric_key_parsers_sem);
 

include/linux/verification.h

@@ -38,8 +38,6 @@ enum key_being_used_for {
 	VERIFYING_UNSPECIFIED_SIGNATURE,
 	NR__KEY_BEING_USED_FOR
 };
-extern const char *const key_being_used_for[NR__KEY_BEING_USED_FOR];
-
 #ifdef CONFIG_SYSTEM_DATA_VERIFICATION
 
 struct key;