Do not create duplicate templates

Was caused by a refactor that removed the credits used to differentiate project types while master and one-year master were the same. Now it is different types and the credits were no longer needed and got removed.

core/src/main/java/se/su/dsv/scipro/DataInitializer.java

@@ -234,14 +234,8 @@ public class DataInitializer implements Lifecycle {
     }
 
     private void createGradingCriterionTemplateIfNotDone() {
-        save(getBachelorTemplate());
-        save(getBachelorTemplate());
         save(getBachelorTemplate());
         save(getMasterTemplate());
-        save(getMasterTemplate());
-        save(getMasterTemplate());
-        save(getMagisterTemplate());
-        save(getMagisterTemplate());
         save(getMagisterTemplate());
     }