ima: Remove unused variable ima_initialized

Commit a756024e ("ima: added ima_policy_flag variable") replaced
ima_initialized with ima_policy_flag, but didn't remove ima_initialized.
This patch removes it.
Signed-off-by: Petr Vorel <pvorel@suse.cz>
Reviewed-by: James Morris <james.morris@microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>

security/integrity/ima/ima.h

@@ -53,7 +53,6 @@ enum tpm_pcrs { TPM_PCR0 = 0, TPM_PCR8 = 8 };
 extern int ima_policy_flag;
 
 /* set during initialization */
-extern int ima_initialized;
 extern int ima_used_chip;
 extern int ima_hash_algo;
 extern int ima_appraise;

security/integrity/ima/ima_main.c

@@ -32,8 +32,6 @@
 
 #include "ima.h"
 
-int ima_initialized;
-
 #ifdef CONFIG_IMA_APPRAISE
 int ima_appraise = IMA_APPRAISE_ENFORCE;
 #else
@@ -517,10 +515,9 @@ static int __init init_ima(void)
 		error = ima_init();
 	}
 
-	if (!error) {
-		ima_initialized = 1;
+	if (!error)
 		ima_update_policy_flag();
-	}
+
 	return error;
 }