Remove some subscription / reactivity / caching bugs and the unnecessary PatientLocations collection

Packages/lesiontracker/lib/handleMeasurementModified.js

@@ -1,10 +1,10 @@
 handleMeasurementModified = function(e, eventData) {
-    log.info('CornerstoneToolsMeasurementModified');
     var measurementData = eventData.measurementData;
 
     switch (eventData.toolType) {
         case 'nonTarget':
         case 'lesion':
+            log.info('CornerstoneToolsMeasurementModified');
             LesionManager.updateLesionData(measurementData);
             TrialResponseCriteria.validateDelayed(measurementData);
             break;