[gnome-boxes] Revert "build: Specify install_dir"

[Felipe Borges <felipeborges src gnome org>]

commit 4005533e468034c12bd2f7b14c6d953cf53604fb
Author: Felipe Borges <felipeborges gnome org>
Date:   Mon Oct 2 12:31:37 2017 +0200

    Revert "build: Specify install_dir"
    
    This reverts commit 3dbd182082eb946fb8712c04ec991210c26dae78.

 src/meson.build |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/meson.build b/src/meson.build
index 60451e9..5fa9809 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -158,6 +158,5 @@ executable ('gnome-boxes', boxes_sources,
             vala_args: vala_args,
             c_args : c_args,
             dependencies: dependencies,
-            install: true,
-            install_dir: pkglibdir
+            install: true
 )