Merge pull request #5183 from plotly/fixup-period-mock

Fixup new period mocks

Author: archmoj

test/image/baselines/period_positioning2.png

@@ -73,6 +73,7 @@
         },
         "xaxis2": {
             "rangeslider": {"visible": false},
+            "ticklabelmode": "period",
             "tickcolor": "black",
             "anchor": "y2",
             "domain": [
@@ -107,7 +108,6 @@
             ]
         },
         "yaxis2": {
-            "ticklabelmode": "period",
             "tickcolor": "black",
             "anchor": "x2",
             "domain": [

test/image/mocks/period_positioning2.json

@@ -3,13 +3,6 @@
         {
             "xperiod": 604800000,
             "xperiod0": "2020-01-06",
-            "marker": {
-                "opacity": 0.5,
-                "line": {
-                    "color": "black",
-                    "width": 1
-                }
-            },
             "name": "start",
             "type": "scatter",
             "y": [
@@ -247,13 +240,6 @@
         {
             "xperiod": 604800000,
             "xperiod0": "2020-01-06",
-            "marker": {
-                "opacity": 0.5,
-                "line": {
-                    "color": "black",
-                    "width": 1
-                }
-            },
             "name": "end",
             "type": "scatter",
             "y": [