Removing unnecessary bold from titles

Author: lidiazuin

modules/ROOT/pages/graph-visualization/graph-visualization.adoc

@@ -110,27 +110,27 @@ Neo4j and Tableau as you would any other SQL databases, and visualize data direc
 
 Once the data is in Tableau, the user can interact with a drag-and-drop Tableau GUI to aggregate, splice, and style various combinations of the data into colorized visualizations in countless formats.
 
-==== *amCharts*
+==== amCharts
 
 Blog post: https://medium.com/neo4j/showing-charts-for-neo4j-query-results-using-amcharts-and-structr-efae0b7a04f0[Charts for Neo4j query results with amCharts+Structr^]
 
 // image::{neo4j-img-base-uri}amcharts_structr.jpg[role="popup-link"]
 
-==== *Chart.js*
+==== Chart.js
 
 Blog post: https://neo4j.com/blog/charting-neo4j-3-0/[Charting Neo4j^]
 
 // image::{neo4j-img-base-uri}chart_js_visualization.jpg[role="popup-link"]
 
-==== *Nivo*
+==== Nivo
 
 Blog post: https://medium.com/neo4j/working-with-neo4j-date-and-spatial-types-in-a-react-js-app-5475b5042b50[Neo4j Spatial with Nivo charts^]
 
 // image::{neo4j-img-base-uri}nivo_charts_bar.jpg[role="popup-link"]
 // image::{neo4j-img-base-uri}nivo_charts_circle.jpg[role="popup-link"]
 
 [#graph-vis-map]
-=== *Map-based visualizations*
+=== Map-based visualizations
 
 // image::{neo4j-img-base-uri}mapbox_visualization.jpg[role="popup-link",float="right",width=350]
 
@@ -155,7 +155,7 @@ Mapbox also gives you the capability to add an interactive map.
 * Video: https://neo4j.com/graphconnect-2018/session/neo4j-spatial-mapping[GraphConnect spatial Neo4j with Leaflet/Mapbox^]
 
 [#graph-vis-heatmap]
-=== *Heatmap visualizations*
+=== Heatmap visualizations
 
 // image::{neo4j-img-base-uri}heatmap_visualization.jpg[role="popup-link",float="right",width=350]
 
@@ -169,7 +169,7 @@ We will list the tool(s) we have encountered so far, but we will add to this as
 ** Blog post: https://www.lyonwj.com/2017/11/28/geocoding-paradise-papers-neo4j-spatial-visualization/[Leaflet.js heatcanvas plugin^]
 
 [#graph-vis-3d]
-=== *3D visualizations*
+=== 3D visualizations
 
 image::{neo4j-img-base-uri}graph_vis_3d.jpg[role="popup-link",float="right",width=350]