refact: removing unsued method in OptionsFile and updating ToString method

Author: Per Kops

src/Atc.CodingRules.Updater.CLI/Models/Options/OptionsFile.cs

@@ -21,9 +21,6 @@ public class OptionsFile
     [SuppressMessage("Usage", "CA2227:Collection properties should be read only", Justification = "OK.")]
     public IList<OptionsProjectFrameworkMapping> ProjectFrameworkMappings { get; set; } = [];
 
-    public bool HasMappingsPaths()
-        => Mappings.HasMappingsPaths();
-
     public override string ToString()
-        => $"{nameof(ProjectTarget)}: {ProjectTarget}, {nameof(UseTemporarySuppressions)}: {UseTemporarySuppressions}, {nameof(TemporarySuppressionsPath)}: {TemporarySuppressionAsExcel}, {nameof(TemporarySuppressionAsExcel)}: {TemporarySuppressionsPath}, {nameof(Mappings)}: ({Mappings})";
+        => $"{nameof(ProjectTarget)}: {ProjectTarget}, {nameof(UseTemporarySuppressions)}: {UseTemporarySuppressions}, {nameof(TemporarySuppressionsPath)}: {TemporarySuppressionAsExcel}, {nameof(TemporarySuppressionAsExcel)}: {TemporarySuppressionsPath}, {nameof(Mappings)}: ({Mappings}), {nameof(ProjectFrameworkMappings)}.Count: {ProjectFrameworkMappings.Count}";
 }