web.config compilation->debug should be set to false (#7121)

Author: skofman1

src/NuGetGallery/Web.config

@@ -300,7 +300,7 @@
   -->
   <system.web>
     <httpCookies requireSSL="true" httpOnlyCookies="true"/>
-    <compilation debug="true" targetFramework="4.6.2"/>
+    <compilation debug="false" targetFramework="4.6.2"/>
     <pages controlRenderingCompatibilityVersion="4.0">
       <namespaces>
         <add namespace="System.Web.Helpers"/>