Set nunit to run with 2.0 framework by default

Author: essiene

src/unit/nunit/nunit-console.exe.config

@@ -24,17 +24,15 @@
 	 a <requiredRuntime> element is used in case it is the only version
 	 of the framework that is installed.
     -->
-    <!--
   <startup>
 	  <supportedRuntime version="v2.0.50727" />
 	  <supportedRuntime version="v2.0.50215" />
 	  <supportedRuntime version="v2.0.40607" />
 	  <supportedRuntime version="v1.1.4322" />
 	  <supportedRuntime version="v1.0.3705" />
 
-	  <requiredRuntime version="v1.0.3705" />
+	  <requiredRuntime version="v2.0.50727" />
   </startup>
-  -->
 
    <!--
     The following <runtime> section allows running nunit under 
@@ -96,4 +94,4 @@
 
   </runtime>
 
-</configuration>
+</configuration>