treewide: remove image-prelink bbclass usage

Upstream has removed the image-prelink bbclass[1], so remove it from any
local.conf.sample that still has it enabled.

1. https://git.openembedded.org/openembedded-core/commit/?id=857baaf9e3d181ca18264e85d90b899fd94acff9

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I70f42f8816f5dea207fcf5c34837d6796b3f6bb6
diff --git a/meta-inspur/meta-fp5280g2/conf/local.conf.sample b/meta-inspur/meta-fp5280g2/conf/local.conf.sample
index 1e3361f..c84a34b 100644
--- a/meta-inspur/meta-fp5280g2/conf/local.conf.sample
+++ b/meta-inspur/meta-fp5280g2/conf/local.conf.sample
@@ -3,7 +3,7 @@
 PACKAGE_CLASSES ?= "package_ipk"
 SANITY_TESTED_DISTROS:append ?= " *"
 EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
-USER_CLASSES ?= "buildstats image-prelink"
+USER_CLASSES ?= "buildstats"
 PATCHRESOLVE = "noop"
 BB_DISKMON_DIRS ??= "\
     STOPTASKS,${TMPDIR},1G,100K \
diff --git a/meta-inspur/meta-on5263m5/conf/local.conf.sample b/meta-inspur/meta-on5263m5/conf/local.conf.sample
index 821133c..683666b 100644
--- a/meta-inspur/meta-on5263m5/conf/local.conf.sample
+++ b/meta-inspur/meta-on5263m5/conf/local.conf.sample
@@ -147,11 +147,9 @@
 # enable extra features. Some available options which can be included in this variable
 # are:
 #   - 'buildstats' collect build statistics
-#   - 'image-prelink' in order to prelink the filesystem image
 #   - 'image-swab' to perform host system intrusion detection
-# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
 # NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
-USER_CLASSES ?= "buildstats image-prelink"
+USER_CLASSES ?= "buildstats"
 
 #
 # Runtime testing of images