[devhelp] flatpak: remove no longer needed build-option

[Sébastien Wilmet <swilmet src gnome org>]

commit 3bff027ae89d9354731c1f92bd01fbcb5936acc1
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Nov 20 00:29:04 2020 +0100

    flatpak: remove no longer needed build-option
    
    The V=1 was used with Autotools, I don't think it's used by Meson.

 flatpak/org.gnome.Devhelp.yml | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Devhelp.yml b/flatpak/org.gnome.Devhelp.yml
index e0032520..c41e1b58 100644
--- a/flatpak/org.gnome.Devhelp.yml
+++ b/flatpak/org.gnome.Devhelp.yml
@@ -22,7 +22,6 @@ finish-args:
 build-options:
   cflags: -O2 -g
   cxxflags: -O2 -g
-  env: { V: '1' }
 
 cleanup:
   - /share/man