remove License.txt from packages

redundant when u r using PackageLicenseExpression

Author: SimonCropp

DiffPlex.Windows/DiffPlex.Windows.csproj

@@ -29,7 +29,6 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="README.md" Pack="true" PackagePath="README.md" />
-    <None Include="..\License.txt" Pack="true" PackagePath="License.txt" />
     <None Include="..\images\diffplex_icon.png" Pack="true" PackagePath="diffplex_icon.png" />
   </ItemGroup>
 

DiffPlex.Wpf/DiffPlex.Wpf.csproj

@@ -15,7 +15,6 @@
     <EnableWindowsTargeting>true</EnableWindowsTargeting>
   </PropertyGroup>
   <ItemGroup>
-    <Content Include="..\License.txt" Link="License.txt" />
     <Content Include="..\DiffPlex.ico" Link="DiffPlex.ico" />
   </ItemGroup>