Revert "Sign all projects with strong names"

This reverts commit d98afaa4dc.

QuickLook.Plugin/QuickLook.Plugin.CsvViewer/QuickLook.Plugin.CsvViewer.csproj

@@ -48,12 +48,6 @@
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
-  <PropertyGroup>
-    <SignAssembly>true</SignAssembly>
-  </PropertyGroup>
-  <PropertyGroup>
-    <AssemblyOriginatorKeyFile>key.snk</AssemblyOriginatorKeyFile>
-  </PropertyGroup>
   <ItemGroup>
     <Reference Include="CsvHelper, Version=2.0.0.0, Culture=neutral, PublicKeyToken=8c4959082be5c823, processorArchitecture=MSIL">
       <HintPath>..\..\packages\CsvHelper.2.16.3.0\lib\net45\CsvHelper.dll</HintPath>
@@ -90,7 +84,6 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <None Include="key.snk" />
     <None Include="packages.config" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />