Clarify SDK initialization error and remove superflous log

Author: Erik Bylund

Runtime/Client/LootLockerServerRequest.cs

@@ -239,7 +239,7 @@ public class LootLockerResponseFactory
         /// </summary>
         public static T SDKNotInitializedError<T>() where T : LootLockerResponse, new()
         {
-            return Error<T>("SDK not initialized");
+            return Error<T>("The LootLocker SDK has not been initialized, please start a session to call this method");
         }
 
         /// <summary>

Runtime/Game/LootLockerSDKManager.cs

@@ -127,7 +127,6 @@ public static bool CheckInitialized(bool skipSessionCheck = false)
 
             if (!skipSessionCheck && !CheckActiveSession())
             {
-                LootLockerLogger.GetForLogLevel(LootLockerLogger.LogLevel.Warning)("You cannot call this method before an active LootLocker session is started");
                 return false;
             }