[tracker-miners/sam/remove-dead-writeback-test] Remove obsolete tracker-writeback testcase

[Sam Thursfield <sthursfield src gnome org>]

commit af3f82c1227bcad4eabe9bc1b49119b32ce7e662
Author: Sam Thursfield <sam afuera me uk>
Date:   Sun Jun 23 15:34:54 2019 +0200

    Remove obsolete tracker-writeback testcase
    
    There are more complete testcases in the functional-tests directory.

 tests/meson.build                       |   5 --
 tests/tracker-writeback/01-writeback.py | 102 --------------------------------
 tests/tracker-writeback/data/test01.jpg | Bin 306 -> 0 bytes
 3 files changed, 107 deletions(-)
---
diff --git a/tests/meson.build b/tests/meson.build
index 431c17ff6..1b9dbea57 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -6,11 +6,6 @@ if have_tracker_extract
   subdir('libtracker-extract')
 endif
 
-# The test case for writeback doesn't seem to work.
-#if enable_writeback
-#  subdir('tracker-writeback')
-#endif
-
 subdir('services')
 
 test_bus_conf_file = configure_file(