Janitor issues

* Remove obsolete code
* Fix path modification of a relative folder
Replace start token '.' with file path to the project file to make sure that the path './wells/a-1h.dev' can be imported correctly.
* Add more logging when keywords are missing from import

ApplicationLibCode/ProjectDataModel/WellPath/RimFileWellPath.h

@@ -31,7 +31,6 @@ public:
     bool    readWellPathFile( QString* errorMessage, RifWellPathImporter* wellPathImporter, bool setWellNameForExport );
     int     wellPathIndexInFile() const; // -1 means none.
     void    setWellPathIndexInFile( int index );
-    void    updateFilePathsFromProjectPath( const QString& newProjectPath, const QString& oldProjectPath ) override;
     static QString getCacheDirectoryPath();
 
 protected:
@@ -43,6 +42,7 @@ private:
     bool    isStoredInCache() const;
     QString getCacheFileName();
 
+    void initAfterRead() override;
     void setupBeforeSave() override;
 
     void ensureWellPathStartAtSeaLevel( RigWellPath* wellPath );