cdm/src/main/java/ucar/nc2/Group.java
public boolean removeDimension(String dimName) {
    if (immutable) throw new IllegalStateException("Cant modify");
    for (int i = 0; i < dimensions.size(); i++) {
      Dimension d = dimensions.get(i);
      if (dimName.equals(d.getShortName())) {
        dimensions.remove(d);
        return true;
      }
    }
    return false;
  }
public boolean removeDimension(String dimName) {
    if (immutable) throw new IllegalStateException("Cant modify");
    for (int i = 0; i < dimensions.size(); i++) {
      Dimension d = dimensions.get(i);
      if (dimName.equals(d.getShortName())) {
        dimensions.remove(d);
        return true;
      }
    }
    return false;
  }
remove a Dimension using its name, in this group only

@param dimName Dimension name.
@return true if dimension found and removed