Revert "first travis build"

This reverts commit 7bbe317.

Author: UMTti

tmc-plugin/src/fi/helsinki/cs/tmc/actions/CheckForNewExercisesOrUpdates.java

@@ -42,7 +42,6 @@ public static void startTimer() {
         javax.swing.Timer timer = new javax.swing.Timer(interval, new CheckForNewExercisesOrUpdates(true, true));
         timer.setRepeats(true);
         timer.start();
-        
     }
 
     private static final TmcNotificationDisplayer.SingletonToken notifierToken = TmcNotificationDisplayer.createSingletonToken();

tmc-plugin/src/fi/helsinki/cs/tmc/model/CourseDb.java

@@ -8,7 +8,6 @@
 import fi.helsinki.cs.tmc.data.ExerciseKey;
 import fi.helsinki.cs.tmc.events.TmcEvent;
 import fi.helsinki.cs.tmc.events.TmcEventBus;
-import hy.tmc.core.TmcCore;
 import java.io.IOException;
 import java.io.Reader;
 import java.io.Writer;