Remove unused Method

dmnverifierapi/src/main/java/de/unikoblenz/fgbks/base/utils/boundary/BoundaryUtils.java

-package de.unikoblenz.fgbks.base.utils.boundary;
-
-import de.unikoblenz.fgbks.core.dmn.domain.vdmn.VDmnValue;
-import java.util.Optional;
-
-public class BoundaryUtils {
-
-  public static Optional<Boundary> parseBoundary(VDmnValue dmnValue) {
-    return Optional.empty();
-  }
-
-  public static Optional<Boundary> combineBoundaries(Boundary b1, Boundary b2) {
-    return Optional.empty();
-  }
-
-  public static Optional<Boundary> appendBoundaries(Boundary b1, Boundary b2) {
-    return Optional.empty();
-  }
-
-  public static Optional<Boundary> createBoundariesBetween(Boundary b1, Boundary b2) {
-    return Optional.empty();
-  }
-
-  public static Optional<Boundary> createBoundaryLower(Boundary b1, Boundary b2) {
-    return Optional.empty();
-  }
-}