Revert "Merge branch 'wt/doc-submodule-name-path-confusion-2'"

This reverts commit 00d4ff1a69, reversing
changes made to d3badc6eb0.

Documentation/git-submodule.txt

@@ -162,7 +162,7 @@ update::
 +
 For updates that clone missing submodules, checkout-mode updates will
 create submodules with detached HEADs; all other modes will create
-submodules with a local branch named after `submodule.<name>.branch`.
+submodules with a local branch named after `submodule.<path>.branch`.
 +
 For updates that do not clone missing submodules, the submodule's HEAD
 is only touched when the remote reference does not match the