Remove forms dependency on 'extras' #142

Job	Run time
tests_node	13s
Test on Python 3.8 and Django 4.2 on postgres	1m 22s
Test on Python 3.9 and Django 4.2 on postgres	55s
Test on Python 3.10 and Django 4.2 on postgres	59s
Test on Python 3.11 and Django 4.2 on postgres	59s
Test on Python 3.12 and Django 4.2 on postgres	56s
Test on Python 3.10 and Django 5.0 on postgres	56s
Test on Python 3.11 and Django 5.0 on postgres	1m 15s
Test on Python 3.12 and Django 5.0 on postgres	54s
Test on Python 3.10 and Django 5.1 on postgres	55s
Test on Python 3.11 and Django 5.1 on postgres	1m 1s
Test on Python 3.12 and Django 5.1 on postgres	55s
Test on Python 3.8 and Django 4.2 on sqlite	1m 2s
	12m 22s

Provide feedback