[tracker-miners] Remove vestigal unicode-support option

[Sam Thursfield <sthursfield src gnome org>]

commit bce1ed6ff74239eaf3f387da09d6da26ec16ec97
Author: Sam Thursfield <sam afuera me uk>
Date:   Sat Dec 16 14:56:24 2017 +0000

    Remove vestigal unicode-support option
    
    This is only used in tracker.git.

 configure.ac      |    1 -
 meson_options.txt |    2 --
 2 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 765c02c..f502026 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1837,7 +1837,6 @@ Feature Support:
 
        Support for HAL:                        $have_hal
        Support for UPower:                     $have_upower
-       Unicode support library:                $with_unicode_support
 
        Build with Journal support:             $have_tracker_journal
 
diff --git a/meson_options.txt b/meson_options.txt
index 4a7f442..4f07bc2 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -40,8 +40,6 @@ option('generic_media_extractor', type: 'combo', choices: ['auto', 'gstreamer',
        description: 'Enables one of the (gstreamer, libav, auto) generic media extractor backends')
 option('gstreamer_backend', type: 'combo', choices: ['discoverer', 'gupnp'], value: 'discoverer',
        description: 'When GStreamer is used, this enables one of the (discoverer, gupnp) GStreamer backends')
-option('unicode_support', type: 'combo', choices: ['icu', 'unistring', 'auto'], value: 'auto',
-       description: 'Unicode support library to use')
 
 option('dbus_services', type: 'string', value: '',
        description: 'Directory to install D-Bus .service files (leave blank to use the value from 
dbus-1.pc)')