gameplay: allow non-giants to be tickled in mvm

Holiday Punch is currently completely non-functional
in the mode otherwise, and common bots can already be
stunned by other sources. it's only giants that are supposed
to be immune.

Author: mastercoms

src/game/server/tf/tf_player.cpp

@@ -1092,7 +1092,7 @@ void CTFPlayer::SetGrapplingHookTarget( CBaseEntity *pTarget, bool bShouldBleed
 //-----------------------------------------------------------------------------
 bool CTFPlayer::CanBeForcedToLaugh( void )
 {
-	if ( TFGameRules() && TFGameRules()->IsMannVsMachineMode() && IsBot() && ( GetTeamNumber() == TF_TEAM_PVE_INVADERS ) )
+	if ( TFGameRules() && TFGameRules()->IsMannVsMachineMode() && IsBot() && ( GetTeamNumber() == TF_TEAM_PVE_INVADERS ) && IsMiniBoss() )
 		return false;
 
 	return true;