[DOCS] Description of http_connect_timeout and http_request_timeout is misleading

[aaannz]

Description
Description of http_connect_timeout and http_request_timeout is misleading.

• both have the same description, including note that they should be both bigger than complete request, which is wrong (and default value suggest that)
• they are documented for both master and minion, but looking at code it seems to me only minion is actually using this value.

Suggested Fix

• change description of http_connect_timeout to reflect what Tornado says: Timeout for initial connection in seconds and remove suggestion that it should be longer than duration of complete request.
• remove those configuration values from salt master documentation.

Type of documentation
Salt documentation

Location or format of documentation

• https://docs.saltproject.io/en/latest/ref/configuration/minion.html#http-connect-timeout
• https://docs.saltproject.io/en/latest/ref/configuration/master.html#http-connect-timeout

Additional context

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