[ENT-9541] Revert learner pathway skeleton implementation (PR #30355) #29536

Job	Run time
collect-and-verify	4m 40s
lms-1(py=3.11,dj=pinned,mongo=7.0)	10m 33s
lms-2(py=3.11,dj=pinned,mongo=7.0)	11m 35s
lms-3(py=3.11,dj=pinned,mongo=7.0)	15m 13s
lms-4(py=3.11,dj=pinned,mongo=7.0)	20m 31s
lms-5(py=3.11,dj=pinned,mongo=7.0)	11m 23s
lms-6(py=3.11,dj=pinned,mongo=7.0)	17m 52s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	11m 45s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	15m 19s
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 39s
cms-1(py=3.11,dj=pinned,mongo=7.0)	4m 59s
cms-2(py=3.11,dj=pinned,mongo=7.0)	12m 17s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	10m 7s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 58s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 26s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	9m 27s
compile-warnings-report	8s
coverage (3.11)	1m 41s
Unit tests successful	4s
merge-artifacts	10s
	3h 8m 2s

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