meta-phosphor: openssl: drop FILESEXTRAPATH

The openssl bbappend does not have any files, so setting FILESEXTRAPATH
is not necessary.

Change-Id: Ie0f37239fd625b53c140418929242ee3735977f4
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-connectivity/openssl/openssl_%.bbappend b/recipes-connectivity/openssl/openssl_%.bbappend
index 8c88c3e..e248be6 100644
--- a/recipes-connectivity/openssl/openssl_%.bbappend
+++ b/recipes-connectivity/openssl/openssl_%.bbappend
@@ -1,5 +1,3 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
-
 # General config settings.
 EXTRA_OECONF_append_class-target = " shared no-hw no-err no-psk no-srp no-engines "