Fix mention of documents being served through a Django view
Fix mention of documents being served through a Django view

Since Wagtail 2.7, this is no longer true by default when using remote storage - only when `WAGTAILDOCS_SERVE_METHOD` is explicitly set to `serve_view`.
rsalmaso/wagtail,jnns/wagtail,thenewguy/wagtail,zerolab/wagtail,wagtail/wagtail,jnns/wagtail,rsalmaso/wagtail,zerolab/wagtail,mixxorz/wagtail,rsalmaso/wagtail,gasman/wagtail,thenewguy/wagtail,wagtail/wagtail,gasman/wagtail,zerolab/wagtail,rsalmaso/wagtail,mixxorz/wagtail,jnns/wagtail,gasman/wagtail,wagtail/wagtail,mixxorz/wagtail,thenewguy/wagtail,gasman/wagtail,torchbox/wagtail,wagtail/wagtail,gasman/wagtail,zerolab/wagtail,thenewguy/wagtail,rsalmaso/wagtail,zerolab/wagtail,torchbox/wagtail,torchbox/wagtail,thenewguy/wagtail,wagtail/wagtail,jnns/wagtail,mixxorz/wagtail,mixxorz/wagtail,torchbox/wagtail