@DELETE @ApiIgnore // until documented
  @Path("{componentName}")
  @Produces("text/plain")
  public Response deleteComponent(@Context HttpHeaders headers, @Context UriInfo ui,
                                @PathParam("componentName") String componentName) {

    return handleRequest(headers, null, ui, Request.Type.DELETE, createComponentResource(
        m_clusterName, m_serviceName, componentName));
  }
Handles: DELETE /clusters/{clusterID}/services/{serviceID}/components/{componentID}
Delete a specific component.

@param headers     http headers
@param ui          uri info
@param componentName cluster id
@return information regarding the deleted cluster
ambari-server/src/main/java/org/apache/ambari/server/api/services/ComponentService.java