Remove ofxPiMapper::loadXmlSettings

In favour of loadProject.

src/ofxPiMapper.cpp

@@ -72,10 +72,6 @@ void ofxPiMapper::moveSelection(ofVec2f by){
 	_application.getState()->moveSelection(&_application, by);
 }
 
-bool ofxPiMapper::loadXmlSettings(string fileName){
-	return _application.loadXmlSettings(fileName);
-}
-
 void ofxPiMapper::saveProject(){
 	_application.saveProject();
 }

src/ofxPiMapper.h

@@ -68,8 +68,6 @@ class ofxPiMapper {
 		void togglePauseForSurface(unsigned int i);
 		void moveSelection(ofVec2f by);
 
-		bool loadXmlSettings(string fileName);
-
 	private:
 		ofx::piMapper::Application _application;
 };