disables spam-like debugging messages inadvertently left on in last commit (oops)

OpenSim/Region/Physics/Meshing/Meshmerizer.cs

@@ -24,7 +24,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
-#define SPAM
+//#define SPAM
 
 using System;
 using System.Collections.Generic;