[geary/mjog/port-to-libhandy-1] build: Fix meson warning

[Michael Gratton <mjog src gnome org>]

commit a896f8c0d6354a315b3c268c6455cb7ae82e9712
Author: Michael Gratton <mike vee net>
Date:   Mon Aug 17 11:02:45 2020 +1000

    build: Fix meson warning

 meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index fc562cd7b..100626889 100644
--- a/meson.build
+++ b/meson.build
@@ -122,7 +122,6 @@ libhandy_vapi = ''
 if not libhandy.found()
   libhandy_project = subproject(
     'libhandy',
-    install: false,
     default_options: [
       'examples=false',
       'package_subdir=geary',