Remove textlint terminology workarounds for ‘HTML’ rule

[parkerbxyz]

The following exceptions can be removed from the textlint configuration once a new super-linter version > v4.9.4 is released:

https://github.com/githubtraining/training-manual/blob/eb22224dbc5ef90ba98b7bcae55a8b8d51a69497/.github/linters/.textlintrc#L8-L10

https://github.com/githubtraining/training-manual/blob/a5bfde775a089f46ece12db74dd4f1c66051e1e7/README.md?plain=1#L52-L60

Reference:

• https://github.com/sapegin/textlint-rule-terminology/issues/38#issuecomment-1143205870
• https://github.com/sapegin/textlint-rule-terminology/pull/44
• https://github.com/github/super-linter/pull/3007