rm unwarranted files

Author: justcoding121

src/Titanium.Web.Proxy/Titanium.Web.Proxy.nuspec

@@ -25,6 +25,6 @@
   </metadata>
   <files>
     <file src="bin\$configuration$\net45\Titanium.Web.Proxy.dll" target="lib\net45"  />
-    <file src="bin\$configuration$\netstandard2.0\Titanium.Web.Proxy.*" target="lib\netstandard2.0"  />
+    <file src="bin\$configuration$\netstandard2.0\Titanium.Web.Proxy.dll" target="lib\netstandard2.0"  />
   </files>
 </package>