Drop no-sysmgr image recipe

This image recipe was initially added for illustrative purpose.
Remove in an attempt to reduce clutter.

Change-Id: I441f7112271170fb535a726e91cbbce73d0ac19c
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/common/recipes-phosphor/images/obmc-phosphor-image-no-sysmgr.bb b/meta-phosphor/common/recipes-phosphor/images/obmc-phosphor-image-no-sysmgr.bb
deleted file mode 100644
index 519db4a..0000000
--- a/meta-phosphor/common/recipes-phosphor/images/obmc-phosphor-image-no-sysmgr.bb
+++ /dev/null
@@ -1,8 +0,0 @@
-DESCRIPTION = "Sample image recipe using Phosphor, an OpenBMC \
-framework, illustrating the removal of a default image feature."
-
-require obmc-phosphor-image.bb
-
-IMAGE_FEATURES_remove = " \
-        obmc-phosphor-system-mgmt \
-        "