feat: Remove DEPR waffle switch: ENABLE_GLOBAL_STAFF_OPTIMIZATION #33068

Job	Run time
collect-and-verify	3m 5s
lms-1(py=3.11,dj=pinned,mongo=7.0)	8m 26s
lms-2(py=3.11,dj=pinned,mongo=7.0)	10m 41s
lms-3(py=3.11,dj=pinned,mongo=7.0)	14m 3s
lms-4(py=3.11,dj=pinned,mongo=7.0)	19m 26s
lms-5(py=3.11,dj=pinned,mongo=7.0)	10m 31s
lms-6(py=3.11,dj=pinned,mongo=7.0)	14m 50s
openedx-1-with-lms(py=3.11,dj=pinned,mongo=7.0)	9m 47s
openedx-2-with-lms(py=3.11,dj=pinned,mongo=7.0)	12m 53s
openedx-1-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 36s
openedx-2-with-cms(py=3.11,dj=pinned,mongo=7.0)	5m 22s
cms-1(py=3.11,dj=pinned,mongo=7.0)	3m 22s
cms-2(py=3.11,dj=pinned,mongo=7.0)	11m 31s
common-with-lms(py=3.11,dj=pinned,mongo=7.0)	8m 7s
common-with-cms(py=3.11,dj=pinned,mongo=7.0)	4m 43s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	7m 22s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	7m 18s
xmodule-with-cms(py=3.11,dj=pinned,mongo=7.0)	6m 47s
xmodule-with-lms(py=3.11,dj=pinned,mongo=7.0)	7m 14s
coverage (3.11)	1m 34s
Unit tests successful	2s
compile-warnings-report	12s
merge-artifacts	7s
	2h 54m 59s

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