code: public void removeEdge(AtlasEdge edge) {
          String edgeString = null;
  
          if (LOG.isDebugEnabled()) {
              edgeString = string(edge);
  
              LOG.debug("Removing {}", edgeString);
          }
  
          graph.removeEdge(edge);
  
          if (LOG.isDebugEnabled()) {
              LOG.info("Removed {}", edgeString);
          }
      }
docs: Remove the specified edge from the graph.
  
  @param edge