Remove obsolete tags.

AxolotlKit/Classes/CipherMessage/PreKeyWhisperMessage.m

@@ -1,9 +1,5 @@
 //
-//  PrekeyWhisperMessage.m
-//  AxolotlKit
-//
-//  Created by Frederic Jacobs on 23/07/14.
-//  Copyright (c) 2014 Frederic Jacobs. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
 #import "PreKeyWhisperMessage.h"
@@ -123,18 +119,6 @@ NS_ASSUME_NONNULL_BEGIN
     return CipherMessageType_Prekey;
 }
 
-#pragma mark - Logging
-
-+ (NSString *)logTag
-{
-    return [NSString stringWithFormat:@"[%@]", self.class];
-}
-
-- (NSString *)logTag
-{
-    return self.class.logTag;
-}
-
 @end
 
 NS_ASSUME_NONNULL_END

AxolotlKit/Classes/Sessions/SessionBuilder.m

@@ -130,7 +130,7 @@ const int kPreKeyOfLastResortId = 0xFFFFFF;
                                                           protocolContext:protocolContext];
     if (previousIdentityExisted) {
         DDLogInfo(@"%@ PKBundle removing previous session states for changed identity for recipient:%@",
-            self.tag,
+            self.logTag,
             self.recipientId);
         [sessionRecord removePreviousSessionStates];
     }
@@ -195,7 +195,7 @@ const int kPreKeyOfLastResortId = 0xFFFFFF;
     if (message.prekeyID >= 0) {
         ourOneTimePreKey = [self.prekeyStore loadPreKey:message.prekeyID].keyPair;
     } else {
-        DDLogWarn(@"%@ Processing PreKey message which had no one-time prekey.", self.tag);
+        DDLogWarn(@"%@ Processing PreKey message which had no one-time prekey.", self.logTag);
     }
 
     BobAxolotlParameters *params =
@@ -224,18 +224,6 @@ const int kPreKeyOfLastResortId = 0xFFFFFF;
     }
 }
 
-#pragma mark - Logging
-
-+ (NSString *)tag
-{
-    return [NSString stringWithFormat:@"[%@]", self.class];
-}
-
-- (NSString *)tag
-{
-    return self.class.tag;
-}
-
 @end
 
 NS_ASSUME_NONNULL_END

AxolotlKit/Classes/Sessions/SessionState.m

@@ -1,13 +1,12 @@
 //
-//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
 //
 
-#import <Curve25519Kit/Curve25519.h>
 #import "SessionState.h"
+#import "ChainAndIndex.h"
 #import "ReceivingChain.h"
 #import "SendingChain.h"
-#import "ChainAndIndex.h"
-
+#import <Curve25519Kit/Curve25519.h>
 
 @implementation PendingPreKey
 
@@ -192,7 +191,7 @@ static NSString* const kCoderPendingPrekey    = @"kCoderPendingPrekey";
     
     if ([self.receivingChains count] > 5) {
         DDLogInfo(
-            @"%@ Trimming excessive receivingChain count: %lu", self.tag, (unsigned long)self.receivingChains.count);
+            @"%@ Trimming excessive receivingChain count: %lu", self.logTag, (unsigned long)self.receivingChains.count);
         // We keep 5 receiving chains to be able to decrypt out of order messages.
         [self.receivingChains removeObjectAtIndex:0];
     }
@@ -298,16 +297,4 @@ static NSString* const kCoderPendingPrekey    = @"kCoderPendingPrekey";
     self.pendingPreKey = nil;
 }
 
-#pragma mark - Logging
-
-+ (NSString *)tag
-{
-    return [NSString stringWithFormat:@"[%@]", self.class];
-}
-
-- (NSString *)tag
-{
-    return self.class.tag;
-}
-
 @end