Fix /info endpoint in smoke tests

Author: smola

dd-smoke-tests/src/main/groovy/datadog/smoketest/AbstractSmokeTest.groovy

@@ -48,7 +48,7 @@ abstract class AbstractSmokeTest extends ProcessManager {
           "endpoints": [
             "/v0.4/traces",
             "/v0.5/traces",
-            "/telemetry/proxy/",
+            "/telemetry/proxy/"
           ],
           "client_drop_p0s": true,
           "span_meta_structs": true,