@DELETE @ApiIgnore // until documented, unsupported method
  @Path("{version}")
  @Produces(MediaType.TEXT_PLAIN)
  public Response deleteVersions(@Context HttpHeaders headers, @Context UriInfo ui,
                                 @PathParam("viewName") String viewName, @PathParam("version") String version) {

    return handleRequest(headers, null, ui, Request.Type.DELETE, createResource(viewName, version));
  }
Handles: DELETE /views/{viewName}/versions/{version}
Delete a specific view version.

@param headers   http headers
@param ui        uri info
@param viewName   view id
@param version   version id

@return information regarding the deleted view version
ambari-server/src/main/java/org/apache/ambari/server/api/services/views/ViewVersionService.java