[gnome-epub-thumbnailer] all: Remove the autotools build

[Bastien Nocera <hadess src gnome org>]

commit a411e954f197ba2a4d32cbe8042395f3ef41e81d
Author: Çağatay Yiğit Şahin <cyigitsahin outlook com>
Date:   Thu Sep 29 12:22:39 2022 +0200

    all: Remove the autotools build

 .gitlab-ci.yml |  8 --------
 Makefile.am    | 29 -----------------------------
 autogen.sh     | 38 --------------------------------------
 configure.ac   | 21 ---------------------
 4 files changed, 96 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e5a9332..469b03f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,14 +1,6 @@
 image: fedora:latest
 
 build-fedora:
-  before_script:
-    - dnf install -y gcc redhat-rpm-config which make automake autoconf libarchive-devel libxml2-devel 
gdk-pixbuf2-devel glib2-devel
-  script:
-    - ./autogen.sh --disable-dependency-tracking
-    - make
-    - make install
-
-build-fedora-meson:
   variables:
     DEPENDENCIES: gcc
                   meson