Remove legacy reporting dates JS

[johnnyporkchops]

Summary (required)

NOTE: Please merge this PR before merging #6597

• Resolves Tech-debt: Remove reporting-dates-tables.js by converting legacy tables to use new template and JS #6491

• Remove the legacy eporting-dates-tables.js

• Rename the new election-reporting-dates-tables.js to reporting-dates-tables.js so template and JS files have the same name for clarity

• Remove references to JS in full_width_page.html

Required reviewers

one frontend and optionally one content (@djgarr)

Impacted areas of the application

Reporting dates tables from 2020 to present

deleted: fec/static/js/pages/election-reporting-dates-tables.js
modified: fec/static/js/pages/reporting-dates-tables.js
modified: home/templates/home/full_width_page.html
modified: home/templates/home/reporting_dates_table.html

Related issues/PRs

Issues:
#5153

PRs:
New:
#5786
#5798
Legacy:
#3227

How to test

• Restore your local db to the latest cms db dump
• checkout and run npm run build-js
• Test pages using reporting_dates_table.html for JS functionality (footnotes, state dropdown, header notes)
• In wagtail admin:
  • Dates: 2020 reporting dates and deadlines
  • Dates 2024 reporting dates and deadlines
• Example page:
  • http://127.0.0.1:8000/help-candidates-and-committees/dates-and-deadlines/2020-reporting-dates/congressional-pre-election-reporting-dates-2020/
  • http://127.0.0.1:8000/help-candidates-and-committees/dates-and-deadlines/dates-2024-reporting-dates-and-deadlines/congressional-pre-election-reporting-dates-2024/
• There were some legacy pages remaining in full-width template that needed inline JS to preserve zebra striping (see "Inline JS sectio in the issue. To confirm that zebra striping works on one of these pages, add the JS in an html block below the table's html block.
  • Example page on local:
    http://127.0.0.1:8000/ /help-candidates-and-committees/dates-and-deadlines/2020-reporting-dates/electioneering-communications-periods-special-elections-2020/