Remove negative language from Models documentation #11269

Job	Run time
docs-build	1m 31s
lint 3.8	55s
test ubuntu / 3.8	1m 58s
lint 3.9	1m 1s
test ubuntu / 3.9	1m 54s
lint 3.10	1m 3s
test ubuntu / 3.10	2m 0s
lint 3.11	56s
test ubuntu / 3.11	1m 49s
test ubuntu / 3.12	2m 22s
lint 3.12	1m 1s
test macos / 3.8	3m 23s
test fastapi	1m 39s
test macos / 3.9	3m 55s
test memray	3m 35s
test macos / 3.10	4m 3s
test pydantic plugin	1m 31s
test macos / 3.11	4m 3s
mypy 1.0.1 / 3.10	3m 58s
test macos / 3.12	4m 45s
mypy lockfile / 3.10	3m 18s
test windows / 3.8	2m 23s
test typing-extensions 4.6.1 on Python 3.8	2m 19s
mypy 1.2.0 / 3.10	3m 49s
test typing-extensions 4.6.1 on Python 3.9	2m 17s
test windows / 3.9	2m 17s
mypy 1.4.1 / 3.10	2m 39s
test typing-extensions 4.6.1 on Python 3.10	2m 11s
test windows / 3.10	2m 39s
mypy 1.5.1 / 3.10	2m 43s
test typing-extensions 4.6.1 on Python 3.11	2m 15s
test windows / 3.11	2m 34s
mypy lockfile / 3.8	3m 5s
test windows / 3.12	2m 40s
test typing-extensions 4.6.1 on Python 3.12	2m 35s
mypy lockfile / 3.9	3m 15s
test ubuntu / pypy3.8	6m 36s
test typing-extensions main on Python 3.8	2m 20s
mypy lockfile / 3.11	3m 10s
test ubuntu / pypy3.9	6m 53s
test typing-extensions main on Python 3.9	2m 20s
test ubuntu / pypy3.10	6m 38s
mypy 1.5.1 / 3.12	2m 51s
test typing-extensions main on Python 3.10	2m 15s
test typing-extensions main on Python 3.11	2m 18s
test typing-extensions main on Python 3.12	2m 44s
check	1s
coverage-combine	43s
release	0s
Send tweet	0s
	2h 9m 10s

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