XMLReader.readXMLFileToString no longer throws a Transformer exception.

racevisionGame/src/main/java/mock/app/Event.java

@@ -87,7 +87,7 @@ public class Event {
             this.boatXML = XMLReader.readXMLFileToString(boatsXMLFile, StandardCharsets.UTF_8);
             this.regattaXML = XMLReader.readXMLFileToString(regattaXMLFile, StandardCharsets.UTF_8);
 
-        } catch (TransformerException | XMLReaderException e) {
+        } catch (XMLReaderException e) {
             throw new EventConstructionException("Could not read XML files.", e);
         }