meson: mapperx: remove unused dependency

Tested by building mapperx.

Change-Id: I06bfcf7dfaac41807e64630fc684d481193229d3
Signed-off-by: Brad Bishop <bradbish@qti.qualcomm.com>
diff --git a/meson.build b/meson.build
index 58c4984..8b17065 100644
--- a/meson.build
+++ b/meson.build
@@ -100,7 +100,6 @@
         boost,
         dependency('libsystemd'),
         phosphor_dbus_interfaces,
-        phosphor_logging,
         sdbusplus,
         dependency('threads'),
         dependency('tinyxml2', default_options: ['tests=false']),