Merge pull request plotly#183 from paulovieira/master

indicator trace: remove the invalid "ticker" option

Author: nicolaskruchten

_posts/plotly_js/financial/indicator1/2019-07-29-above-other-traces.html

@@ -15,7 +15,6 @@
     mode: "number+delta",
     value: 492,
     delta: { reference: 512, valueformat: ".0f" },
-    ticker: { showticker: true },
     vmax: 500,
     domain: { y: [0, 1], x: [0.25, 0.75] },
     title: { text: "Users online" }