Issue #3261240 by andypost, longwave, quietone: Remove deprecated taxonomy module functions

core/includes/bootstrap.inc

core/modules/taxonomy/src/Controller/TaxonomyController.php

...les/taxonomy/src/Plugin/views/argument_validator/Term.php

...les/taxonomy/src/Plugin/views/filter/TaxonomyIndexTid.php

core/modules/taxonomy/taxonomy.module

core/modules/taxonomy/tests/src/Functional/TermTest.php

...les/taxonomy/tests/src/Kernel/TaxonomyDeprecationTest.php