Replace calls to performance API with LAMP data (Version 4.1) (#976) * Replace calls to performance API with LAMP data * Mark performance API usage as deprecated * Update datadog layer * Using v3 alerts * Removing all performance API code * Show all alerts relevant to charts * Handle empty alert headers * Bump version to 4.1.0 * Remove V2 API key * Upping v3 alert date * Update v3 api key description * Use new travel time name for LAMP * Only include benchmarks longer than 1sec * Fixing benchmark data