Remove bump-timestamp

This command is no longer being used in FCOS or RHCOS pipelines

Author: vrutkovs

src/cmd-bump-timestamp

@@ -39,7 +39,7 @@ build_commands="init fetch build run prune clean"
 # commands more likely to be used in a prod pipeline only
 advanced_build_commands="buildprep buildupload oscontainer"
 buildextend_commands="qemu aws azure gcp openstack installer live vmware metal"
-utility_commands="tag compress bump-timestamp koji-upload kola aws-replicate"
+utility_commands="tag compress koji-upload kola aws-replicate"
 other_commands="shell"
 if [ -z "${cmd}" ]; then
     echo Usage: "coreos-assembler CMD ..."

src/coreos-assembler

@@ -41,8 +41,6 @@ DEFAULT_KEEP_LAST_N = 3
 
 parser = argparse.ArgumentParser()
 parser.add_argument("--workdir", required=True, help="Path to workdir")
-parser.add_argument("--timestamp-only", help="Update timestamp on builds.json",
-                    action='store_true')
 parser.add_argument("--insert-only", metavar="BUILDID", action='store',
                     help="Append a new latest build, do not prune")
 keep_options = parser.add_mutually_exclusive_group()
@@ -66,11 +64,6 @@ builds = Builds(args.workdir)
 scanned_builds = []
 builds_dir = os.path.join(args.workdir, "builds")
 
-# handle --timestamp-only
-if args.timestamp_only:
-    builds.bump_timestamp()
-    sys.exit(0)
-
 # Handle --insert-only
 if args.insert_only:
     builds.insert_build(args.insert_only)