[seahorse] Drop Autotools in favor of Meson.

[Niels De Graef <nielsdg src gnome org>]

commit 5aa8daf0ac501fb595a0cf7506e62e30beca0ad6
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Tue Nov 21 20:44:18 2017 +0100

    Drop Autotools in favor of Meson.

 Makefile.am               |  107 ---------
 Makefile.decl             |   28 ---
 README.md                 |    9 +-
 acinclude.m4              |   40 ---
 autogen.sh                |   18 --
 build/m4/introspection.m4 |   92 -------
 common/Makefile.am        |   73 ------
 configure.ac              |  576 ---------------------------------------------
 data/Makefile.am          |   54 -----
 data/icons/Makefile.am    |   73 ------
 git.mk                    |  400 -------------------------------
 gkr/Makefile.am           |   53 ----
 help/Makefile.am          |   54 -----
 libegg/Makefile.am        |   19 --
 pgp/Makefile.am           |   88 -------
 pkcs11/Makefile.am        |   53 ----
 src/Makefile.am           |   55 -----
 ssh/Makefile.am           |   66 -----
 18 files changed, 1 insertions(+), 1857 deletions(-)
---
diff --git a/README.md b/README.md
index 3e04dad..7d8726b 100644
--- a/README.md
+++ b/README.md
@@ -9,14 +9,7 @@ and allows users to perform operations from their regular applications, like
 nautilus or gedit.
 
 ## Building
-You can build and install Seahorse by issuing the following commands:
-```sh
-./autogen.sh
-make
-make install
-```
-
-or using [Meson](http://mesonbuild.com/):
+You can build and install Seahorse using [Meson](http://mesonbuild.com/):
 ```sh
 meson _build
 ninja -C _build