[ghex] meson: Remove unused to_int conversions

[Logan Rathbone <larathbone src gnome org>]

commit 18d70a2d108dc43882ece2e523e16b9d4c2ee2ad
Author: Logan Rathbone <poprocks gmail com>
Date:   Mon Aug 16 12:40:11 2021 -0400

    meson: Remove unused to_int conversions
    
    This gets meson to complain that, eg, 'beta' cannot be converted to an
    integer (quite so). They're not utilized anywhere else within the build
    scripts, anyway.

 meson.build | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 555b802e..a03b4c65 100644
--- a/meson.build
+++ b/meson.build
@@ -7,8 +7,6 @@ project(
 
 version_arr = meson.project_version().split('.')
 ghex_version_major = version_arr[0].to_int()
-ghex_version_minor = version_arr[1].to_int()
-ghex_version_micro = version_arr[2].to_int()
 
 libghex_version_major = version_arr[0].to_int()