[libadwaita/wip/exalm/build-docs: 2/4] docs: Don't mention autotools

[Alexander Mikhaylenko <alexm src gnome org>]

commit 82532958c6f3c1eed1520fcc872e6e8d33d343b9
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue May 18 12:25:56 2021 +0500

    docs: Don't mention autotools

 doc/build-howto.md | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)
---
diff --git a/doc/build-howto.md b/doc/build-howto.md
index 21019190..d9fec669 100644
--- a/doc/build-howto.md
+++ b/doc/build-howto.md
@@ -11,16 +11,7 @@ If you need to build Libadwaita, get the source from
 Like other GNOME libraries, Libadwaita uses `pkg-config` to provide compiler
 options. The package name is `libadwaita-1`.
 
-If you use Automake/Autoconf, in your `configure.ac` script, you might specify
-something like:
-
-```autoconf
-PKG_CHECK_MODULES(LIBADWAITA, [libadwaita-1])
-AC_SUBST(LIBADWAITA_CFLAGS)
-AC_SUBST(LIBADWAITA_LIBS)
-```
-
-Or when using the Meson build system you can declare a dependency like:
+When using the Meson build system you can declare a dependency like:
 
 ```meson
 dependency('libadwaita-1')