revert(app): Revert "Standardize modals and pages"

[mcous]

Reverts #1705

[codecov]

Codecov Report

Merging #1718 into edge will increase coverage by 0.25%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##             edge    #1718      +/-   ##
==========================================
+ Coverage   35.09%   35.35%   +0.25%     
==========================================
  Files         340      340              
  Lines        5570     5632      +62     
==========================================
+ Hits         1955     1991      +36     
- Misses       3615     3641      +26

Impacted Files	Coverage Δ
components/src/modals/ModalPage.js	100% <ø> (ø)	⬆️
app/src/pages/Run.js	0% <ø> (ø)	⬆️
app/src/components/App.js	0% <ø> (ø)	⬆️
app/src/pages/More/Resources.js	0% <ø> (ø)	⬆️
app/src/pages/Calibrate/Instruments.js	0% <ø> (ø)	⬆️
app/src/pages/AppSettings.js	0% <0%> (ø)
app/src/pages/Calibrate/Labware.js	0% <0%> (ø)	⬆️
app/src/pages/More/AppSettings.js	0% <0%> (ø)	⬆️
app/src/pages/Robots.js	0% <0%> (ø)	⬆️
app/src/components/SessionHeader/index.js	0% <0%> (ø)	⬆️
... and 8 more

---

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[IanLondon]

seems OK to me, PD & Run App look normal

[mcous]

Hoping to close this PR in favor of #1719