Removed docs associated with SAML auth. (#15563) #10261

Job	Run time
api-test	13m 58s
api-migrations	10m 42s
api-lint	1m 25s
api-swagger	4m 47s
awx-collection	2m 27s
api-schema	7m 32s
awx-operator	13m 5s
awx_collection integration (a-h, ^[a-h])	8m 19s
awx_collection integration (i-p, ^[i-p])	11m 29s
awx_collection integration (r-z0-9, ^[r-z0-9])	10m 10s
dev-env	4m 56s
awx_collection sanity (stable-2.17)	1m 26s
combine awx_collection integration coverage	47s
	1h 31m 3s

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