fixed unitest project file including the same file twice post merge from develop

Author: Mpdreamz

src/Tests/Elasticsearch.Net.Tests.Unit/Elasticsearch.Net.Tests.Unit.csproj

@@ -47,10 +47,8 @@
     <Compile Include="Failover\Retries\ClientExceptionsUsingPoolingTests.cs" />
     <Compile Include="Failover\Retries\ClientExceptionsWithoutPoolingMaxRetriesTests.cs" />
     <Compile Include="Failover\Retries\ClientExceptionsWithoutPoolingTests.cs" />
-    <Compile Include="Failover\Timeout\DontRetryAfterMaxRetryTimeoutTests.cs" />
     <Compile Include="Failover\Timeout\DontRetryAfterDefaultTimeoutTests.cs" />
     <Compile Include="Failover\Timeout\DontRetryAfterMaxRetryTimeoutTests.cs" />
-    <Compile Include="Failover\Timeout\DontRetryAfterDefaultTimeoutTests.cs" />
     <Compile Include="Memory\Helpers\AsyncMemorySetup.cs" />
     <Compile Include="Memory\Helpers\IMemorySetup.cs" />
     <Compile Include="Memory\ResponseAsyncCodePathsMemoryTests.cs" />