Revert "feat: provisionally support V2 libraries in LibraryContentBlock (randomized only)" #20281

Job	Run time
python-3.8,django-pinned,lms-1	10m 6s
python-3.8,django-pinned,lms-2	9m 1s
python-3.8,django-pinned,lms-3	15m 37s
python-3.8,django-pinned,lms-4	18m 3s
python-3.8,django-pinned,lms-5	8m 46s
python-3.8,django-pinned,lms-6	14m 4s
python-3.8,django-pinned,openedx-1-with-lms	12m 55s
python-3.8,django-pinned,openedx-2-with-lms	13m 17s
python-3.8,django-pinned,openedx-1-with-cms	7m 11s
python-3.8,django-pinned,openedx-2-with-cms	4m 24s
python-3.8,django-pinned,cms-1	2m 38s
python-3.8,django-pinned,cms-2	15m 44s
python-3.8,django-pinned,common-with-lms	8m 34s
python-3.8,django-pinned,common-with-cms	4m 4s
python-3.8,django-pinned,xmodule-with-lms	5m 14s
python-3.8,django-pinned,xmodule-with-cms	5m 8s
python-3.8,django-4.2,lms-1	10m 26s
python-3.8,django-4.2,lms-2	9m 2s
python-3.8,django-4.2,lms-3	15m 51s
python-3.8,django-4.2,lms-4	19m 1s
python-3.8,django-4.2,lms-5	9m 11s
python-3.8,django-4.2,lms-6	14m 29s
python-3.8,django-4.2,openedx-1-with-lms	13m 7s
python-3.8,django-4.2,openedx-2-with-lms	13m 38s
python-3.8,django-4.2,openedx-1-with-cms	7m 31s
python-3.8,django-4.2,openedx-2-with-cms	4m 24s
python-3.8,django-4.2,cms-1	2m 50s
python-3.8,django-4.2,cms-2	15m 13s
python-3.8,django-4.2,common-with-lms	8m 37s
python-3.8,django-4.2,common-with-cms	4m 3s
python-3.8,django-4.2,xmodule-with-lms	5m 20s
python-3.8,django-4.2,xmodule-with-cms	5m 14s
compile-warnings-report	11s
coverage (3.8)	1m 56s
Unit tests successful	4s
	5h 14m 54s

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