Removed VersionOnMasterFinder which is no longer used

Author: JakeGinnivan

GitVersionCore/GitFlow/BranchFinders/VersionOnMasterFinder.cs

@@ -128,7 +128,6 @@
     <Compile Include="SemanticVersion.cs" />
     <Compile Include="SemanticVersionBuildMetaData.cs" />
     <Compile Include="SemanticVersionPreReleaseTag.cs" />
-    <Compile Include="GitFlow\BranchFinders\VersionOnMasterFinder.cs" />
     <Compile Include="VersionPoint.cs" />
   </ItemGroup>
   <ItemGroup>

GitVersionCore/GitVersionCore.csproj

@@ -100,7 +100,6 @@
     <Compile Include="Helpers\Lg2sHelperBase.cs" />
     <Compile Include="LibGitExtensionsTests.cs" />
     <Compile Include="UpdateAssemblyInfoTests.cs" />
-    <Compile Include="VersionOnMasterFinderTests.cs" />
     <Compile Include="IntegrationTests.cs" />
     <Compile Include="MergeMessageParserTests.cs" />
     <Compile Include="ModuleInitializer.cs" />