removing plot_url front-matter for maps examples

Author: Joseph Damiba

_posts/plotly_js/maps/bubble-maps/2015-07-11-bubble-map.html

@@ -1,6 +1,5 @@
 ---
 name: Europe Bubble Map
-plot_url: https://codepen.io/plotly/embed/wKNXPg/?height=511&theme-id=15263&default-tab=result
 language: plotly_js
 suite: bubble-maps
 order: 1

_posts/plotly_js/maps/bubble-maps/2015-08-12-USA-bubble-map.html

@@ -1,6 +1,5 @@
 ---
 name: USA Bubble Map
-plot_url: https://codepen.io/plotly/embed/dc02d0146b01a7481bcba7610366625f/?height=529&theme-id=15263&default-tab=result
 language: plotly_js
 suite: bubble-maps
 order: 2

_posts/plotly_js/maps/choropleth-mapbox/2019-08-16-US_states.html

@@ -1,6 +1,5 @@
 ---
 name: Dark tile, Needs Token
-plot_url: https://codepen.io/plotly/embed/eYOdVRG/?height=527&theme-id=15263&default-tab=result
 language: plotly_js
 suite: mapbox-county-choropleth
 order: 3

_posts/plotly_js/maps/choropleth-mapbox/2019-08-16-basic-choropleth1.html

@@ -1,6 +1,5 @@
 ---
 name: Basic Tile, Needs Token
-plot_url: https://codepen.io/plotly/embed/BaBLYZN/?height=505&theme-id=15263&default-tab=result\
 language: plotly_js
 suite: mapbox-county-choropleth
 order: 1

_posts/plotly_js/maps/choropleth-mapbox/2019-08-16-choropleth-geojson-object.html

@@ -1,6 +1,5 @@
 ---
 name: Streets Tile, Needs Token
-plot_url: https://codepen.io/plotly/embed/NWKRygN/?height=510&theme-id=15263&default-tab=result
 language: plotly_js
 suite: mapbox-county-choropleth
 order: 2

_posts/plotly_js/maps/choropleth-maps/2015-07-11-choropleth-north-america.html

@@ -1,6 +1,5 @@
 ---
 name: USA Choropleth Map
-plot_url: https://codepen.io/plotly/embed/JYxveZ/?height=505&theme-id=15263&default-tab=result\
 language: plotly_js
 suite: choropleth-maps
 order: 3

_posts/plotly_js/maps/choropleth-maps/2015-07-11-choropleth-world-robinson.html

@@ -1,6 +1,5 @@
 ---
 name: World Choropleth Map (Robinson Projection)
-plot_url: https://codepen.io/plotly/embed/GpzGWp/?height=510&theme-id=15263&default-tab=result
 language: plotly_js
 suite: choropleth-maps
 order: 1

_posts/plotly_js/maps/choropleth-maps/2015-08-10-countrygdp-choropleth-map.html

@@ -1,6 +1,5 @@
 ---
 name: Country GDP Choropleth Map
-plot_url: https://codepen.io/plotly/embed/EVrRxR/?height=527&theme-id=15263&default-tab=result
 language: plotly_js
 suite: choropleth-maps
 order: 4

_posts/plotly_js/maps/choropleth-maps/2015-08-11-US-pop-by-state-choropleth.html

@@ -1,6 +1,5 @@
 ---
 name: Choropleth Map of 2014 US Population by State
-plot_url: https://codepen.io/plotly/embed/ZbwROr/?height=514&theme-id=15263&default-tab=result
 language: plotly_js
 suite: choropleth-maps
 order: 5

_posts/plotly_js/maps/choropleth-maps/2016-08-04-florida-counties.html

@@ -1,6 +1,5 @@
 ---
 name: Choropleth Map of Florida Counties Colored by Political Party
-plot_url: https://codepen.io/plotly/embed/vKWqxA/?height=510&theme-id=15263&default-tab=result\
 language: plotly_js
 suite: choropleth-maps
 order: 6