core: remove ResponseCompression artifact (#16755)

Author: connorjclark

core/config/default-config.js

@@ -126,7 +126,6 @@ const defaultConfig = {
     {id: 'MainDocumentContent', gatherer: 'main-document-content'},
     {id: 'MetaElements', gatherer: 'meta-elements'},
     {id: 'NetworkUserAgent', gatherer: 'network-user-agent'},
-    {id: 'ResponseCompression', gatherer: 'dobetterweb/response-compression'},
     {id: 'RobotsTxt', gatherer: 'seo/robots-txt'},
     {id: 'Scripts', gatherer: 'scripts'},
     {id: 'SourceMaps', gatherer: 'source-maps'},

core/gather/gatherers/dobetterweb/response-compression.js

@@ -77,7 +77,6 @@ const testsToIsolate = new Set([
   'core/test/gather/snapshot-runner-test.js',
   'core/test/gather/timespan-runner-test.js',
   'core/test/user-flow-test.js',
-  'core/test/gather/gatherers/dobetterweb/response-compression-test.js',
   'core/test/runner-test.js',
 
   // These tend to timeout in puppeteer when run in parallel with other tests.

core/test/gather/gatherers/dobetterweb/response-compression-test.js

@@ -46,7 +46,6 @@
     "core/test/gather/gatherers/accessibility-test.js",
     "core/test/gather/gatherers/console-messages-test.js",
     "core/test/gather/gatherers/devtools-log-test.js",
-    "core/test/gather/gatherers/dobetterweb/response-compression-test.js",
     "core/test/gather/gatherers/full-page-screenshot-test.js",
     "core/test/gather/gatherers/global-listeners-test.js",
     "core/test/gather/gatherers/html-without-javascript-test.js",

core/test/scripts/run-mocha-tests.js

@@ -127,8 +127,6 @@ export interface GathererArtifacts extends PublicGathererArtifacts {
   JsUsage: Record<string, Omit<Crdp.Profiler.ScriptCoverage, 'url'>>;
   /** The user agent string that Lighthouse used to load the page. Set to the empty string if unknown. */
   NetworkUserAgent: string;
-  /** Size info of all network records sent without compression and their size after gzipping. */
-  ResponseCompression: {requestId: string, url: string, mimeType: string, transferSize: number, resourceSize: number, gzipSize?: number}[];
   /** Information on fetching and the content of the /robots.txt file. */
   RobotsTxt: {status: number|null, content: string|null, errorMessage?: string};
   /** Source maps of scripts executed in the page. */