fix(select): Remove list CSS, and use mdc-list styles directly

[lynnmercier]

No description provided.

[williamernest]

LGTM

[codecov-io]

Codecov Report

Merging #2065 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2065      +/-   ##
==========================================
- Coverage   99.43%   99.43%   -0.01%     
==========================================
  Files          84       84              
  Lines        3720     3718       -2     
  Branches      485      485              
==========================================
- Hits         3699     3697       -2     
  Misses         21       21

Impacted Files	Coverage Δ
packages/mdc-slider/foundation.js	100% <0%> (ø)	⬆️
packages/mdc-menu/index.js
packages/mdc-menu/constants.js
packages/mdc-menu/foundation.js
packages/mdc-menu/simple/foundation.js	99.26% <0%> (ø)
packages/mdc-menu/simple/constants.js	100% <0%> (ø)
packages/mdc-menu/simple/index.js	100% <0%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9fffb18...854b87b. Read the comment docs.