doc: git-init: rework config item init.templateDir

When included into a the manpage of git-init, the param section must
not refer to the manpage.

Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/config/init.txt

@@ -1,7 +1,10 @@
-init.templateDir::
-	Specify the directory from which templates will be copied.
-	(See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].)
+:see-git-init:
+ifndef::git-init[]
+:see-git-init: (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].)
+endif::[]
 
+init.templateDir::
+	Specify the directory from which templates will be copied. {see-git-init}
 init.defaultBranch::
 	Allows overriding the default branch name e.g. when initializing
 	a new repository.

Documentation/git-init.txt

@@ -185,6 +185,8 @@ CONFIGURATION
 
 include::includes/cmd-config-section-all.txt[]
 
+:git-init:
+
 include::config/init.txt[]
 
 GIT