docs: public boolean removeMessageFilter(BaseMessageFilter filter)
      {
          NameValue value = this.getNameValueLeaf(filter, false);
          if (value == null)
          {
              System.out.println("Registry/80 - Error Leaf not found");
              return false;   // Error
          }
          boolean bSuccess = value.removeThisMessageFilter(filter);
          this.cleanNameValueTree(filter);
          return bSuccess;
      }