feat!: Dropping Sass support from builtin custom tag block #29315

Job	Run time
collect-and-verify	4m 58s
lms-1(py=3.11,dj=pinned,mongo=7.0)	10m 3s
lms-2(py=3.11,dj=pinned,mongo=7.0)	12m 3s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 6s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 19s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 53s
lms-6(py=3.11,dj=pinned,mongo=7.0)	15m 28s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 23s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	15m 14s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 34s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 47s
cms-1(py=3.11,dj=pinned,mongo=7.0)	5m 25s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 38s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 25s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 43s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 9s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	8m 42s
coverage (3.11)	1m 35s
compile-warnings-report	8s
Unit tests successful	2s
merge-artifacts	6s
	3h 5m 41s

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