docs(http): remove FluxLinks schema

[zhulongcheng]

Closes #13145

The FluxLinks

influxdb/http/swagger.yml

Lines 5910 to 5921 in 7782932

	FluxLinks:
	type: object
	properties:
	ast:
	type: string
	format: uri
	self:
	type: string
	format: uri
	suggestions:
	type: string
	format: uri

has been replaced by

influxdb/http/swagger.yml

Lines 5948 to 5965 in 7782932

	query:
	type: object
	properties:
	self:
	type: string
	format: uri
	ast:
	type: string
	format: uri
	analyze:
	type: string
	format: uri
	spec:
	type: string
	format: uri
	suggestions:
	type: string
	format: uri

Related PR https://github.com/influxdata/platform/pull/2088

Briefly describe your proposed changes:

• CHANGELOG.md updated with a link to the PR (not the Issue)
• Rebased/mergeable
• Tests pass
• http/swagger.yml updated (if modified Go structs or API)
• Sign CLA (if not already signed)