docs: remove git.io shortlinks (#13911)

lighthouse-cli/cli-flags.js

@@ -177,7 +177,7 @@ function getFlags(manualArgv, options = {}) {
         },
         'enable-error-reporting': {
           type: 'boolean',
-          describe: 'Enables error reporting, overriding any saved preference. --no-enable-error-reporting will do the opposite. More: https://git.io/vFFTO',
+          describe: 'Enables error reporting, overriding any saved preference. --no-enable-error-reporting will do the opposite. More: https://github.com/GoogleChrome/lighthouse/blob/master/docs/error-reporting.md',
         },
         'gather-mode': {
           alias: 'G',

readme.md

@@ -99,7 +99,7 @@ Configuration:
   --screenEmulation              Sets screen emulation parameters. See also --preset. Use --screenEmulation.disabled to disable. Otherwise set these 4 parameters individually: --screenEmulation.mobile --screenEmulation.width=360 --screenEmulation.height=640 --screenEmulation.deviceScaleFactor=2
   --emulatedUserAgent            Sets useragent emulation  [string]
   --max-wait-for-load            The timeout (in milliseconds) to wait before the page is considered done loading and the run should continue. WARNING: Very high values can lead to large traces and instability  [number]
-  --enable-error-reporting       Enables error reporting, overriding any saved preference. --no-enable-error-reporting will do the opposite. More: https://git.io/vFFTO  [boolean]
+  --enable-error-reporting       Enables error reporting, overriding any saved preference. --no-enable-error-reporting will do the opposite. More: https://github.com/GoogleChrome/lighthouse/blob/master/docs/error-reporting.md  [boolean]
   --gather-mode, -G              Collect artifacts from a connected browser and save to disk. (Artifacts folder path may optionally be provided). If audit-mode is not also enabled, the run will quit early.
   --audit-mode, -A               Process saved artifacts from disk. (Artifacts folder path may be provided, otherwise defaults to ./latest-run/)
   --only-audits                  Only run the specified audits  [array]