remove duplicate declaration of gson

Change-Id: I8661dbf6b6b63c9b3a79fa099fd79c15a2a587d3
diff --git a/lib/BUCK b/lib/BUCK
index e3b6a78..de17152 100644
--- a/lib/BUCK
+++ b/lib/BUCK
@@ -1,4 +1,4 @@
-# ***** This file was auto-generated at Tue, 8 Aug 2017 17:39:19 GMT. Do not edit this file manually. *****
+# ***** This file was auto-generated at Fri, 18 Aug 2017 16:55:01 GMT. Do not edit this file manually. *****
 # ***** Use onos-lib-gen *****
 
 pass_thru_pom(
diff --git a/lib/deps.json b/lib/deps.json
index b5675dd..2653b9d 100644
--- a/lib/deps.json
+++ b/lib/deps.json
@@ -129,7 +129,7 @@
     "error_prone_annotations": "mvn:com.google.errorprone:error_prone_annotations:2.0.11",
     "ganymed-ssh2": "mvn:ch.ethz.ganymed:ganymed-ssh2:262",
     "gmetric4j": "mvn:info.ganglia.gmetric4j:gmetric4j:1.0.10",
-    "gson": "mvn:com.google.code.gson:gson:jar:2.6.2",
+    "gson": "mvn:com.google.code.gson:gson:2.7",
     "guava": "mvn:com.google.guava:guava:22.0",
     "guava-testlib": "mvn:com.google.guava:guava-testlib:22.0",
     "hamcrest-all": "mvn:org.hamcrest:hamcrest-all:1.3",
@@ -258,7 +258,6 @@
     "google-truth-0.28": "mvn:com.google.truth:truth:0.28",
     "google-code-findbugs-3.0.0": "mvn:com.google.code.findbugs:jsr305:3.0.0",
     "google-errorprone-2.0.19": "mvn:com.google.errorprone:error_prone_annotations:2.0.19",
-    "google-instrumentation-0.3.0": "mvn:com.google.instrumentation:instrumentation-api:0.3.0",
-    "gson": "mvn:com.google.code.gson:gson:2.7"
+    "google-instrumentation-0.3.0": "mvn:com.google.instrumentation:instrumentation-api:0.3.0"
   }
 }