Remove unifiedDashboard feature flag.

[asvinb]

Summary

Addresses issue:

• Remove unifiedDashboard feature flag and unused code #5047

Relevant technical choices

PR Author Checklist

• My code is tested and passes existing unit tests.
• My code has an appropriate set of unit tests which all pass.
• My code is backward-compatible with WordPress 4.7 and PHP 5.6.
• My code follows the WordPress coding standards.
• My code has proper inline documentation.
• I have added a QA Brief on the issue linked above.
• I have signed the Contributor License Agreement (see https://cla.developers.google.com/).

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Code Reviewer Checklist

• Run the code.
• Ensure the acceptance criteria are satisfied.
• Reassess the implementation with the IB.
• Ensure no unrelated changes are included.
• Ensure CI checks pass.
• Check Storybook where applicable.
• Ensure there is a QA Brief.

Merge Reviewer Checklist

• Ensure the PR has the correct target branch.
• Double-check that the PR is okay to be merged.
• Ensure the corresponding issue has a ZenHub release assigned.
• Add a changelog message to the issue.

[github-actions]

Size Change: -75.2 kB (-5%) ✅

Total Size: 1.37 MB

Filename	Size	Change
./dist/assets/css/googlesitekit-admin-css-********************.min.css	45.6 kB	-178 B (0%)
./dist/assets/css/googlesitekit-adminbar-css-********************.min.css	11 kB	-312 B (-3%)
./dist/assets/css/googlesitekit-wp-dashboard-css-********************.min.css	6.44 kB	-158 B (-2%)
./dist/assets/js/32-********************.js	3.12 kB	-48.7 kB (-94%)	🏆
./dist/assets/js/33-********************.js	0 B	-3.12 kB (removed)	🏆
./dist/assets/js/googlesitekit-activation-********************.js	33.5 kB	-351 B (-1%)
./dist/assets/js/googlesitekit-adminbar-********************.js	37.1 kB	-329 B (-1%)
./dist/assets/js/googlesitekit-api-********************.js	9.49 kB	-66 B (-1%)
./dist/assets/js/googlesitekit-base-********************.js	1.59 kB	+1 B (0%)
./dist/assets/js/googlesitekit-dashboard-********************.js	61.8 kB	-1.61 kB (-3%)
./dist/assets/js/googlesitekit-dashboard-details-********************.js	60.3 kB	-643 B (-1%)
./dist/assets/js/googlesitekit-dashboard-splash-********************.js	75.6 kB	-650 B (-1%)
./dist/assets/js/googlesitekit-data-********************.js	2.09 kB	+1 B (0%)
./dist/assets/js/googlesitekit-datastore-forms-********************.js	9.07 kB	-72 B (-1%)
./dist/assets/js/googlesitekit-datastore-location-********************.js	2.08 kB	-1 B (0%)
./dist/assets/js/googlesitekit-datastore-site-********************.js	14.8 kB	-75 B (-1%)
./dist/assets/js/googlesitekit-datastore-ui-********************.js	9.16 kB	-68 B (-1%)
./dist/assets/js/googlesitekit-datastore-user-********************.js	21.4 kB	+282 B (+1%)
./dist/assets/js/googlesitekit-idea-hub-post-list-********************.js	26.4 kB	-260 B (-1%)
./dist/assets/js/googlesitekit-module-********************.js	0 B	-51.5 kB (removed)	🏆
./dist/assets/js/googlesitekit-modules-adsense-********************.js	65.8 kB	-4.07 kB (-6%)	✅
./dist/assets/js/googlesitekit-modules-analytics-4-********************.js	19.3 kB	-165 B (-1%)
./dist/assets/js/googlesitekit-modules-analytics-********************.js	67.6 kB	-6.82 kB (-9%)	✅
./dist/assets/js/googlesitekit-modules-********************.js	19.4 kB	-183 B (-1%)
./dist/assets/js/googlesitekit-modules-idea-hub-********************.js	34.9 kB	-229 B (-1%)
./dist/assets/js/googlesitekit-modules-optimize-********************.js	19.5 kB	-50 B (0%)
./dist/assets/js/googlesitekit-modules-pagespeed-insights-********************.js	18.7 kB	-543 B (-3%)
./dist/assets/js/googlesitekit-modules-search-console-********************.js	37.5 kB	-3.77 kB (-9%)	✅
./dist/assets/js/googlesitekit-modules-subscribe-with-google-********************.js	17.6 kB	-450 B (-2%)
./dist/assets/js/googlesitekit-modules-tagmanager-********************.js	30.2 kB	-73 B (0%)
./dist/assets/js/googlesitekit-polyfills-********************.js	380 B	+1 B (0%)
./dist/assets/js/googlesitekit-settings-********************.js	53.9 kB	-726 B (-1%)
./dist/assets/js/googlesitekit-user-input-********************.js	49.8 kB	-1.25 kB (-2%)
./dist/assets/js/googlesitekit-vendor-********************.js	323 kB	-145 B (0%)
./dist/assets/js/googlesitekit-widgets-********************.js	18.8 kB	-786 B (-4%)
./dist/assets/js/googlesitekit-wp-dashboard-********************.js	60 kB	+65 B (0%)
./dist/assets/js/runtime-********************.js	1.22 kB	+2 B (0%)
./dist/assets/js/31-********************.js	51.9 kB	+51.9 kB (new file)	🆕

ℹ️ View Unchanged

Filename	Size
./dist/assets/js/analytics-advanced-tracking-********************.js	769 B
./dist/assets/js/googlesitekit-i18n-********************.js	3.92 kB
./dist/assets/js/googlesitekit-idea-hub-notice-********************.js	45.1 kB

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[eugene-manuilov]

Awesome work, @asvinb! All looks good to me. Just added one suggestion to remove a little bit more 😄

[eugene-manuilov]

LGTM. Thanks, @asvinb.