Remove packaged rpm python libraries

Let's just use pip versions

Change-Id: Idf3a3a914b54779172776822710b3e52e751b1d1
diff --git a/files/rpms/n-cpu b/files/rpms/n-cpu
index 32b1546..c1a8e8f 100644
--- a/files/rpms/n-cpu
+++ b/files/rpms/n-cpu
@@ -4,4 +4,4 @@
 genisoimage
 sysfsutils
 sg3_utils
-python-libguestfs # NOPRIME
+