Remove incorrect or misleading traffic management concepts material (#4565)
Remove incorrect or misleading traffic management concepts material (#4565)

* Remove incorrect or misleading traffic management concepts material

* linter errors

* tweak

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

* Update content/docs/concepts/traffic-management/index.md

Co-Authored-By: Rigs Caballero <2974468a19f6df5f3e888d219e58465250b0dd68@google.com>

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