bug#29904: README is not up-to-date

[Mathieu Lirzin]

Hello,

The README requirements part is not up-to-date since GnuTLS is not
optional anymore and Guile-Git is a dependency.

diff --git a/README b/README
index 18e6856..4192eb4 100644
--- a/README
+++ b/README
@@ -23,10 +23,9 @@ GNU Guix currently depends on the following packages:
   - [[https://gnu.org/software/guile/][GNU Guile 2.2.x or 2.0.x]], version 
2.0.9 or later
   - [[https://gnupg.org/][GNU libgcrypt]]
   - [[https://www.gnu.org/software/make/][GNU Make]]
+  - [[https://www.gnutls.org][GnuTLS]] compiled with guile support enabled.
+  - [[https://gitlab.com/guile-git/guile-git][Guile-Git]]
   - optionally 
[[https://savannah.nongnu.org/projects/guile-json/][Guile-JSON]], for the 'guix 
import pypi' command
-  - optionally [[https://www.gnutls.org][GnuTLS]] compiled with guile support 
enabled, for HTTPS support
-    in the 'guix download' command.  Note that 'guix import pypi' requires
-    this functionality.
 
 Unless `--disable-daemon' was passed, the following packages are needed:
 

Thanks.

-- 
Mathieu Lirzin
GPG: F2A3 8D7E EB2B 6640 5761  070D 0ADE E100 9460 4D37