Remove global JS dependencies vendored from Rails gems

[kevinrobinson]

Follow-on from #1180

This is broken out by different pieces (eg, jQuery plugins).

jquery-ui/autocomplete

• studentSearchbar (Student searchbar: Migrate to React component and optimize for larger lists  #2485)
• ProvidedByEducatorDropdown
• sprockets-shims

jquery-ui/datepicker

• datepicker_options (Migrate global datepicker_options into Datepicker component, limit jQuery UI imports #1971)
• Datepicker
• NewServiceUpload
• ProfilePdfDialog
• RecordService
• sprockets-shims

Highcharts jQuery API

• HighchartsWrapper
• generateReportGraph

Isolate jQuery usage

• $.param (Limit use of jQuery methods #2037)
• $.trim (Limit use of jQuery methods #2037)
• $.get (Limit use of jQuery methods #2037)
• $.ajax (Limit use of jQuery methods #2037)
• $.Deferred (Limit use of jQuery methods #2037)

jQuery data attributes

• serialized data
• index.js
• legacyRouteHandler

jQuery event listeners on document or body

• ProvidedByEducatorDropdown
• SliceButtons
• student_report_pdf.js
• index.js

DOM querying (html, text, find)

• ProfilePdfDialog
• index.js
• legacyRouteHandler
• (all the tests)

jquery_ujs

• CSRF in apiFetchJson
• Ruby test helpers (simulate_clicking_become_link, educator_sign_in_helper#sign_out)
• include jquery_ujs in JS build, remove gem

Other bits

• all the other files imported in legacy.js (Finish ES6 conversion and move tests next to code #1739)
• all references to window. variables our code put there
• remove vendored jquery UI gems
• remove application.js / remove sprockets-shims / remove js gems / remove global in eslintrc
• move to ui folder

testing notes:

• student profile pdf
• storybook
• service uploads
• profile v3 and v2
  • updates URL when navigating
  • updates URL when navigating
  • service / notes / transition notes
  • failure for saving notes
  • chart navigating