runtime(django): Removed unsupported template statements and filters by current LTS.

runtime(django): Removed unsupported template statements and filters by current LTS.

Removed djangoStatement:

- ifequal: Depricated version 4.0.
- endifequal: Depricated version 4.0.
- ifnotequal: Depricated version 4.0.
- endifnotequal: Depricated version 4.0.
- parsed
- trans: Renamed to `translate` in version 4.0.
- blocktrans: Renamed to `blocktranslate` in version 4.0.
- endblocktrans: Renamed to `endblocktranslate` in version 4.0.

Removed djangoFilter:

- fix_ampersands: Removed in version 1.8.
- length_is: Removed in version 5.1.

sources:

- Current LTS is version [5.2](https://www.djangoproject.com/download/#supported-versions).
- Documentation template builtins [5.2](https://docs.djangoproject.com/en/5.2/ref/templates/builtins/#truncatechars-html).
- Documentation template builtins [6](https://docs.djangoproject.com/en/6.0/ref/templates/builtins).
- [Django Deprecation Timeline](https://docs.djangoproject.com/en/6.0/internals/deprecation)

closes: #19994

Signed-off-by: tecis <67809811+tecis@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>