comment cleanup / code formatting

// FREEBIE

Signal/src/MultiDeviceProfileKeyUpdateJob.swift

@@ -5,6 +5,10 @@
 import Foundation
 import PromiseKit
 
+/**
+ * Transmits our profile key to any linked devices. 
+ * This is accomplished via the existing contact syncing mechanism, except the only contact synced is ourself.
+ */
 @objc class MultiDeviceProfileKeyUpdateJob: NSObject {
 
     let TAG = "[MultiDeviceProfileKeyUpdateJob]"
@@ -43,7 +47,6 @@ import PromiseKit
             in: syncContactsMessage,
             success: {
                 Logger.info("\(self.TAG) Successfully synced profile key")
-
             },
             failure: { error in
                 Logger.error("\(self.TAG) in \(#function) failed with error: \(error) retrying in \(retryDelay)s.")

SignalServiceKit/src/Messages/TSMessagesManager.m

@@ -587,7 +587,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (id<ProfileManagerProtocol>)profileManager
 {
-    // TODO inject at init?
     return [TextSecureKitEnv sharedEnv].profileManager;
 }