disable PMD for old properties file

src/main/java/kieker/analysis/traceanalysismodel/PropertiesModel.java

@@ -73,7 +73,7 @@ public final class PropertiesModel {
 			properties.load(inputStream);
 			this.gitLabURL = properties.getProperty(PropertiesModel.KEY_GITLAB_URL);
 			this.tracURL = properties.getProperty(PropertiesModel.KEY_TRAC_URL);
-		} catch (final IOException e) {
+		} catch (final IOException e) { // NOPMD TODO
 			// PropertiesModel.LOGGER.error(e); //TODO
 		}
 	}
@@ -90,7 +90,7 @@ public final class PropertiesModel {
 
 		try {
 			preferences.flush();
-		} catch (final BackingStoreException e) {
+		} catch (final BackingStoreException e) { // NOPMD TODO
 			// PropertiesModel.LOGGER.error(e);//TODO
 		}
 	}