Deleted the print exception stack statement to make terminal more tidy.

- the exception is aim to happen, so no need to print it out.

#story[377]

src/main/java/seng302/models/parsers/ConfigParser.java

@@ -50,7 +50,6 @@ public class ConfigParser extends FileParser {
 				val = Double.valueOf(element.getTextContent());
 			}
 		} catch (Exception e) {
-			e.printStackTrace();
 		} finally {
 			return val;
 		}
@@ -72,7 +71,6 @@ public class ConfigParser extends FileParser {
 				string = element.getTextContent();
 			}
 		} catch (Exception e) {
-			e.printStackTrace();
 		} finally {
 			return string;
 		}