Don't encode the distro from /etc/os-release into the binaries.

Upstream-Status: Pending
RP 2021/2/26

Index: epiphany-3.38.2/meson.build
===================================================================
--- epiphany-3.38.2.orig/meson.build
+++ epiphany-3.38.2/meson.build
@@ -15,6 +15,7 @@ if r.returncode() == 0
 else
   distributor_name = 'GNOME Web'
 endif
+distributor_name = 'OpenEmbedded'
 
 prefix = get_option('prefix')
 datadir = join_paths(prefix, get_option('datadir'))