[gimp] devel-docs: removing version.in.

[Jehan <jehanp src gnome org>]

commit 4d8c1e3439020355ddb527d0e52d1c0e1e2bf648
Author: Jehan <jehan girinstud io>
Date:   Tue Feb 1 13:57:24 2022 +0100

    devel-docs: removing version.in.
    
    I was wondering what this version file was for. After some git
    archeology, turns out this was used for gtk-docs. Since we replaced
    gtk-docs with gi-docgen in commit 92e80d12e84, this can be removed as
    well.

 devel-docs/.gitignore  | 1 -
 devel-docs/Makefile.am | 3 +--
 devel-docs/meson.build | 8 --------
 devel-docs/version.in  | 1 -
 4 files changed, 1 insertion(+), 12 deletions(-)
---
diff --git a/devel-docs/.gitignore b/devel-docs/.gitignore
index 425dcefc73..b336cc7cec 100644
--- a/devel-docs/.gitignore
+++ b/devel-docs/.gitignore
@@ -1,3 +1,2 @@
 /Makefile
 /Makefile.in
-/version
diff --git a/devel-docs/Makefile.am b/devel-docs/Makefile.am
index f31d12e068..ca4a8cffe6 100644
--- a/devel-docs/Makefile.am
+++ b/devel-docs/Makefile.am
@@ -18,5 +18,4 @@ EXTRA_DIST = \
        release-howto.txt               \
        tagging.txt                     \
        ui-framework.txt                \
-       undo.txt                        \
-       version.in
+       undo.txt
diff --git a/devel-docs/meson.build b/devel-docs/meson.build
index 8b80f8c005..818c54bda4 100644
--- a/devel-docs/meson.build
+++ b/devel-docs/meson.build
@@ -1,13 +1,5 @@
 devel_docs_build_root = meson.current_build_dir()
 
-version_data = configuration_data()
-version_data.set('GIMP_VERSION', gimp_version)
-configure_file(
-  input : 'version.in',
-  output: 'version',
-  configuration: version_data,
-)
-
 scan_args_common = [
   '--deprecated-guards=GIMP_DISABLE_DEPRECATED',
 ]