Revert "Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation"

This reverts commit ad606a8f.

Issue #3370946 by kunal.sachdev, lauriii, tim.plunkett, omkar.podey, alexpott, ckrina, smustgrave, larowlan, rkoller, hooroomoo, duadua: Page title should contextualize the local navigation

Issue #3424746 by camille.davis@civicactions.com, mgifford, smustgrave, rkoller: "Local Tasks" behaves as navigation bar but uses "tab" language

Issue #3328456 by xjm, dimitriskr, murilohp, smustgrave: Replace substr($a, 0, $i) with str_starts_with()

Issue #3333401 by nicxvan, tsquared212, xjm, larowlan, smustgrave, andrewmacpherson, bnjmnm, lauriii, itmaybejj, xurizaemon: Pager h4 causes accessibility flag on many pages

Issue #3399685 by poker10, greggles, BramDriesen: Remove Core version from install.php when the site already is installed - Information Disclosure - Leaking version information

Issue #3384679 by Gauravvvv, kostyashupenko, neclimdul, PickyOrder, mgifford: aria-current is giving an invalid value

Issue #2952488 by smustgrave, pminf, dcgoodwin, andypost, pau1_m, sim_1, boulaffasae, idebr, jmickela, barone, mgifford, jgloverattronedotcom, andrewmacpherson, DuaelFr, larowlan, lauriii, RachelOlivero: Use aria-current=page in pagination links

Issue #1038316 by tacituseu, vasike, heddn, Eyal Shalev, cchoe1, lauriii, siva01, perry.franken, sanfair, jan.stoeckler, anmolgoyal74, MRPRAVIN, scott.whittaker, dj1999, vytch, SpadXIII, GRO, samuel.seide, szato, Denisev, Munavijayalakshmi, ankithashetty, neclimdul, mayurjadhav, rgpublic, bartzaalberg, electrokate, Lal_, realityloop, ameymudras, linhnm, fabianfiorotto, Abhijith S, bleen, smustgrave, rogueturnip, alexpott: Allow for deletion of a single value of a multiple value field

Issue #3320721 by ranjith_kumar_k_u, martins.bertins, Manibharathi E R, smustgrave, Lendude: The active page number is not showing on the last page(Views Full pager)

Issue #3336780 by diegors, schlaukopf, xjm, fabiansierra5191: Correctly capitalize "url" in documentation only, part 2

Issue #3099026 by mherchel, lauriii, bartlangelaan, timohuisman, pradhumanjainOSL, hctom, jwilson3, smustgrave: Claro's preprocessing of field multiple value form's table header cell removes potential changes by others

Issue #3342891 by lauriii, smustgrave, andy-blum, catch: 'node' variable in page.html.twig is not available on preview node page

Issue #3328443 by xjm, rpayanm, alexpott, catch, longwave: Replace most strpos() === 0 or !== 0 with str_starts_with()

Issue #2941148 by quietone, bruno.bicudo, ravi.shankar, Sweetchuck, beatrizrodrigues, lucienchalom, VitaliyB98, WagnerMelo, sophiavs, ankitjain28may, daffie, longwave, Sutharsan, borisson_, cosmicdreams, heykarthikwithu, catch: Fix Drupal.Commenting.FunctionComment.MissingReturnType

Issue #3097889 by longwave, paulocs, anushrikumari, SenthilMohith, andypost, Gábor Hojtsy, catch, lauriii, Wim Leers: Remove deprecated theme functions

Revert "Issue #3262500 by catch, andypost: Mark drupal_find_theme_functions() @internal in Drupal 9"

This reverts commit f64e3344.

Issue #3222769 by bbrala, alexpott, longwave, Matroskeen: [November 8, 2021] Replace all list (array destructuring) assignment to the array syntax

Issue #3222251 by bbrala, longwave: [November 8, 2021] Replace all isset constructs with the null coalescing operator

Issue #2669074 by kim.pepper, Berdir, gaydabura, andypost, ravi.shankar, KapilV, Wim Leers, bradjones1, nickolaj, alexpott, mondrake, 20th, yogeshmpawar, gaurav.kapoor, voleger, Pavan B S, Neslee Canil Pinto, aerozeppelin, Cameron Tod, daffie, dhruveshdtripathi, abramm, Nono95230, s.messaris, Mile23, claudiu.cristea, larowlan, catch, jibran, SpadXIII: Convert file_create_url() & file_url_transform_relative() to service, deprecate it

Issue #2851394 by GoZ, hgunicamp, oknate, jungle, wolffereast, tameeshb, mmatsoo, ridhimaabrol24, jofitz, swarad07, tanc, shaktik, dimaro, shashikant_chauhan, MerryHamster, quietone, nitesh624, martin_q, boaloysius, gaurav.kapoor, nitvirus, ankithashetty, Munavijayalakshmi, kostyashupenko, leolando.tan, amit.drupal, ravi.shankar, akashkrishnan01, Swapnil_Kotwal, Saviktor, mrinalini9, anmolgoyal74, Venkatesh Rajan.J, shimpy, lomasr, Dinesh18, shubham.prakash, mahtab_alam, markdorison, cilefen, longwave, bleen, xjm, alexpott, gmaltoni: Fix grammar 'a' to 'an' when necessary