Stop running contacts migration

SessionMessagingKit/Contacts/Contact.swift

@@ -58,7 +58,7 @@ public class Contact : NSObject, NSCoding { // NSObject/NSCoding conformance is
     public required init?(coder: NSCoder) {
         guard let sessionID = coder.decodeObject(forKey: "sessionID") as! String? else { return nil }
         self.sessionID = sessionID
-        self.isTrusted = coder.decodeBool(forKey: "isTrusted")
+        isTrusted = coder.decodeBool(forKey: "isTrusted")
         if let name = coder.decodeObject(forKey: "displayName") as! String? { self.name = name }
         if let nickname = coder.decodeObject(forKey: "nickname") as! String? { self.nickname = nickname }
         if let profilePictureURL = coder.decodeObject(forKey: "profilePictureURL") as! String? { self.profilePictureURL = profilePictureURL }

SignalUtilitiesKit/Database/Migrations/OWSDatabaseMigrationRunner.m

@@ -25,9 +25,7 @@ NS_ASSUME_NONNULL_BEGIN
 // This should all migrations which do NOT qualify as safeBlockingMigrations:
 - (NSArray<OWSDatabaseMigration *> *)allMigrations
 {
-    return @[
+    return @[];
-        [SNContactsMigration new]
-    ];
 }
 
 - (void)assumeAllExistingMigrationsRun