Remove printing warnings for missing MarkerGroup nodes

It's just spam, isn't helpful and will just slow down the solver
(because printing text to the output window takes time).

Author: david-cattermole

src/mmSolver/cmd/arg_flags_solve_object.cpp

@@ -60,6 +60,7 @@ void createSolveObjectSyntax(MSyntax &syntax) {
 MStatus createMarkerGroupFromMarkerNodeName(const MString &markerName,
                                             MarkerGroupPtr &out_markerGroup) {
     MStatus status = MStatus::kSuccess;
+    const bool verbose = false;
 
     MDagPath node_path;
     status = getAsDagPath(markerName, node_path);
@@ -82,7 +83,7 @@ MStatus createMarkerGroupFromMarkerNodeName(const MString &markerName,
         }
     }
     if (!out_markerGroup) {
-        MMSOLVER_WRN(
+        MMSOLVER_VRB(
             "createMarkerGroupFromMarkerNodeName: No MarkerGroup node found "
             "for \""
             << markerName.asChar() << "\".");

src/mmSolver/mayahelper/maya_marker.cpp

@@ -171,6 +171,8 @@ MStatus Marker::getPos(MPoint &point, const int timeEvalMode) {
 MStatus Marker::getPosXY(double &out_x, double &out_y, const MTime &time,
                          const int timeEvalMode, const bool applyOverscan) {
     MStatus status;
+    const bool verbose = false;
+
     auto attr_pos_x = Marker::getPosXAttr();
     auto attr_pos_y = Marker::getPosYAttr();
 
@@ -187,7 +189,7 @@ MStatus Marker::getPosXY(double &out_x, double &out_y, const MTime &time,
             overscan_x = 1.0 / overscan_x;
             overscan_y = 1.0 / overscan_y;
         } else {
-            MMSOLVER_WRN("Marker::getPosXY: MarkerGroup node not found for \""
+            MMSOLVER_VRB("Marker::getPosXY: MarkerGroup node not found for \""
                          << m_nodeName.asChar() << "\".");
         }
     }