Remove package version

Will use GitHub actions instead to set based on tags

Author: dbrattli

src/Fable.Python.fsproj

@@ -6,7 +6,6 @@
     <Author>Dag Brattli</Author>
     <Copyright>Dag Brattli</Copyright>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
-    <Version>0.9.0</Version>
     <WarnOn>3390;$(WarnOn)</WarnOn>
   </PropertyGroup>
   <ItemGroup>