Remove noop from squash help

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

Removes noop note from the squash on bud --help.  This will need
to be vendored into Podman to address containers/podman#2568

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>

Closes: #1394
Approved by: @rhatdan

pkg/cli/common.go

@@ -156,7 +156,7 @@ func GetBudFlags(flags *BudResults) pflag.FlagSet {
 	fs.StringVar(&flags.Runtime, "runtime", util.Runtime(), "`path` to an alternate runtime. Use BUILDAH_RUNTIME environment variable to override.")
 	fs.StringSliceVar(&flags.RuntimeFlags, "runtime-flag", []string{}, "add global flags for the container runtime")
 	fs.StringVar(&flags.SignaturePolicy, "signature-policy", "", "`pathname` of signature policy file (not usually used)")
-	fs.BoolVar(&flags.Squash, "squash", false, "Squash newly built layers into a single new layer. The build process does not currently support caching so this is a NOOP.")
+	fs.BoolVar(&flags.Squash, "squash", false, "Squash newly built layers into a single new layer.")
 	fs.StringSliceVarP(&flags.Tag, "tag", "t", []string{}, "tagged `name` to apply to the built image")
 	fs.StringVar(&flags.Target, "target", "", "set the target build stage to build")
 	fs.BoolVar(&flags.TlsVerify, "tls-verify", true, "require HTTPS and verify certificates when accessing the registry")