refactor: Drop xmodule CSS classes in favor of standard xblock CSS classes #32840

Job	Run time
collect-and-verify	4m 7s
lms-1(py=3.11,dj=pinned,mongo=7.0)	9m 51s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 53s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 35s
lms-4(py=3.11,dj=pinned,mongo=7.0)	15m 51s
lms-5(py=3.11,dj=pinned,mongo=7.0)	10m 54s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 50s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 50s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	14m 5s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 15s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 27s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 37s
cms-2(py=3.11,dj=pinned,mongo=7.0)	13m 15s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 14s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 25s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 19s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 3s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 41s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 47s
Unit tests successful	2s
compile-warnings-report	0s
coverage	0s
merge-artifacts	0s
	3h 12m 1s

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