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/WellLog/RimWellLogFile.h

@@ -70,8 +70,6 @@ public:
 
     RimWellLogFile::WellFlowCondition wellFlowRateCondition() const { return m_wellFlowCondition(); }
 
-    void updateFilePathsFromProjectPath( const QString& newProjectPath, const QString& oldProjectPath );
-
     static std::vector<std::pair<double, double>> findMdAndChannelValuesForWellPath( const RimWellPath* wellPath,
                                                                                      const QString&     channelName,
                                                                                      QString* unitString = nullptr );