CORD-1951 fix and cleanup vEG synchronizer

Change-Id: I938edf40da13192614fa16ecf350bd18bea84f8d
(cherry picked from commit 8e56c00757e05a18e059772a5524c982d49781f9)
diff --git a/xos/synchronizer/templates/bwlimit.sh.j2 b/xos/synchronizer/templates/bwlimit.sh.j2
index aa4d55e..0fd8b94 100644
--- a/xos/synchronizer/templates/bwlimit.sh.j2
+++ b/xos/synchronizer/templates/bwlimit.sh.j2
@@ -1,22 +1,19 @@
-
-{#
-Copyright 2017-present Open Networking Foundation
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-#}
-
-
 #!/bin/bash
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 #  tc uses the following units when passed as a parameter.
 #  kbps: Kilobytes per second
 #  mbps: Megabytes per second