Revert "Make simple_away and keepnick also support user modules"

This reverts commit fb62b5e7a6.
I need to test changes better...
To be proper user modules they need to store per-network state, just a
flag isn't enough.

modules/keepnick.cpp

@@ -195,7 +195,6 @@ void CKeepNickTimer::RunJob() {
 
 template<> void TModInfo<CKeepNickMod>(CModInfo& Info) {
 	Info.SetWikiPage("keepnick");
-	Info.AddType(CModInfo::UserModule);
 }
 
 NETWORKMODULEDEFS(CKeepNickMod, "Keep trying for your primary nick")

modules/simple_away.cpp

@@ -219,7 +219,6 @@ template<> void TModInfo<CSimpleAway>(CModInfo& Info) {
 	Info.SetWikiPage("simple_away");
 	Info.SetHasArgs(true);
 	Info.SetArgsHelpText("You might enter up to 3 arguments, like -notimer awaymessage or -timer 5 awaymessage.");
-	Info.AddType(CModInfo::UserModule);
 }
 
 NETWORKMODULEDEFS(CSimpleAway, "This module will automatically set you away on IRC while you are disconnected from the bouncer.")