Stop running lighthouse/webhint every commit

Go back to running them manually on my own. They're too slow and buggy
for CI.

.build.yml

@@ -7,10 +7,6 @@ packages:
   - git  # for Hugo's gitInfo
   - make
   - jq
-  - npm  # for testing with lighthouse and webhint
-  - chromium  # for testing with lighthouse and webhint
-environment:
-  HINT_TELEMETRY: "off"
 sources:
   - https://git.sr.ht/~seirdy/seirdy.one
 secrets:
@@ -26,15 +22,10 @@ tasks:
       mkdir -p ~/bin
       brotli -dc binaries.tar.br | tar x -oC ~/bin
       cd seirdy.one
-      npm i -D --no-fund  # no-fund reduces log verbosity
   - build_deploy: |
       cd seirdy.one
       export PATH=~/bin:$PATH
-      # don't spend as much time compressing for staging.
-      make DOMAIN=staging.seirdy.one ZOPFLI_ITERATIONS=50 test-staging
-      tar czf ~/lighthouse-reports.tar.gz lighthouse-reports
       make clean deploy
       cp mentions.json ~/mentions.json
 artifacts:
-  - lighthouse-reports.tar.gz
   - mentions.json