meta-openpower: remove phosphor-logging bbappends

phosphor-logging now uses non-native YAML providers, so these
bbappends are not necessary.  Similar functionality is now
specified by packagegroup-obmc-yaml-providers.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ia63e27cf8946324168caada1ef9e875b8839635f
diff --git a/recipes-phosphor/logging/phosphor-logging_%.bbappend b/recipes-phosphor/logging/phosphor-logging_%.bbappend
deleted file mode 100644
index c128cfe..0000000
--- a/recipes-phosphor/logging/phosphor-logging_%.bbappend
+++ /dev/null
@@ -1,4 +0,0 @@
-DEPENDS_append_df-openpower = " \
-        openpower-debug-collector-native \
-        openpower-occ-control-native \
-        "