[gtef] readme: update paragraph about jhbuild

[Sébastien Wilmet <swilmet src gnome org>]

commit a00149522974b409c5fc50251fb09ef4c073b653
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Mar 11 07:47:43 2017 +0100

    readme: update paragraph about jhbuild
    
    Gtef is now in the gnome-world moduleset.

 README |   13 ++-----------
 1 files changed, 2 insertions(+), 11 deletions(-)
---
diff --git a/README b/README
index da8d0c0..f4c30bb 100644
--- a/README
+++ b/README
@@ -77,20 +77,11 @@ From the Git repository, the 'configure' script and the 'INSTALL' file are not
 yet generated, so you need to run 'autogen.sh' instead, which takes the same
 arguments as 'configure'.
 
-To build the latest version of Gtef plus its dependencies from Git, Jhbuild can
-be used:
+To build the latest version of Gtef plus its dependencies from Git, Jhbuild is
+recommended:
 
     https://wiki.gnome.org/Projects/Jhbuild
 
-But Gtef doesn't have yet a jhbuild module in one of the modulesets shipped by
-jhbuild. So you need to run autogen.sh manually, inside a jhbuild shell, for
-example (adjust the prefix):
-
-  $ jhbuild shell
-  $ ./autogen.sh --prefix=/path/jhbuild/prefix --disable-Werror --enable-gtk-doc --enable-vala 
--enable-code-coverage
-  $ make
-  $ make install
-
 Applications that use Gtef
 --------------------------