removed unneeded tests

mRemoteNGTests/App/LoggerTests.cs

@@ -1,25 +0,0 @@
-using System;
-using NUnit.Framework;
-using mRemoteNG.App;
-using log4net;
-
-namespace mRemoteNGTests.App
-{
-    [TestFixture]
-    public class LoggerTests
-    {
-        [Test]
-        public void GetSingletonInstanceReturnsAnILogObject()
-        {
-            Assert.That(Logger.Instance, Is.InstanceOf<ILog>());
-        }
-
-        [Test]
-        public void SingletonOnlyEverReturnsTheSameInstance()
-        {
-            ILog log1 = Logger.Instance;
-            ILog log2 = Logger.Instance;
-            Assert.That(log1, Is.EqualTo(log2));
-        }
-    }
-}

mRemoteNGTests/mRemoteNGTests.csproj

@@ -108,7 +108,6 @@
     </Otherwise>
   </Choose>
   <ItemGroup>
-    <Compile Include="App\LoggerTests.cs" />
     <Compile Include="App\UpdaterTests.cs" />
     <Compile Include="BinaryFileTests.cs" />
     <Compile Include="Config\CredentialHarvesterTests.cs" />