Remove local-repo documentation

Cabal/doc/cabal-project.rst

@@ -1377,15 +1377,6 @@ Advanced global configuration options
     The command line variant of this flag is
     ``--build-summary=TEMPLATE``.
 
-.. cfg-field:: local-repo: directory
-               --local-repo=DIR
-    :deprecated:
-
-    [STRIKEOUT:The location of a local repository.] Deprecated. See
-    "Legacy repositories."
-
-    The command line variant of this flag is ``--local-repo=DIR``.
-
 .. cfg-field:: world-file: path
                --world-file=FILE
     :deprecated:

Cabal/doc/installing-packages.rst

@@ -188,8 +188,8 @@ The part of the path will be used to determine the cache key part.
 Legacy repositories
 ^^^^^^^^^^^^^^^^^^^
 
-Currently ``cabal`` supports two kinds of “legacy” repositories. The
-first is specified using
+Currently ``cabal`` supports single kind of “legacy” repositories.
+It is specified using
 
 ::
 
@@ -206,18 +206,6 @@ although, in (and only in) the specific case of Hackage, the URL
 ``http://hackage.haskell.org/packages/archive`` will be silently
 translated to ``http://hackage.haskell.org/``.
 
-The second kind of legacy repositories are so-called “(legacy) local”
-repositories:
-
-::
-
-    local-repo: my-local-repo:/path/to/local/repo
-
-This can be used to access repositories on the local file system.
-However, the layout of these local repositories is different from the
-layout of remote repositories, and usage of these local repositories is
-deprecated.
-
 Secure local repositories
 ^^^^^^^^^^^^^^^^^^^^^^^^^