rm (now useless) Geo.updateFx method

- now that choropleth hover geos through Fx.hover,
  `hovermode: false` for geo no longer needs a special handler.

Author: etpinard

src/plot_api/subroutines.js

@@ -306,12 +306,6 @@ exports.doModeBar = function(gd) {
     // no need to do this for gl2d subplots,
     // Plots.linkSubplots takes care of it all.
 
-    subplotIds = Plots.getSubplotIds(fullLayout, 'geo');
-    for(i = 0; i < subplotIds.length; i++) {
-        var geo = fullLayout[subplotIds[i]]._subplot;
-        geo.updateFx(fullLayout.hovermode);
-    }
-
     return Plots.previousPromises(gd);
 };
 

src/plots/geo/geo.js

@@ -32,7 +32,7 @@ var topojsonFeature = require('topojson-client').feature;
 addProjectionsToD3(d3);
 
 
-function Geo(options, fullLayout) {
+function Geo(options) {
     this.id = options.id;
     this.graphDiv = options.graphDiv;
     this.container = options.container;
@@ -51,9 +51,7 @@ function Geo(options, fullLayout) {
     this.zoom = null;
     this.zoomReset = null;
 
-
     this.makeFramework();
-    this.updateFx(fullLayout.hovermode);
 
     this.traceHash = {};
 }
@@ -173,15 +171,6 @@ proto.onceTopojsonIsLoaded = function(geoCalcData, geoLayout) {
     this.render();
 };
 
-proto.updateFx = function(hovermode) {
-    this.showHover = (hovermode !== false);
-
-    // TODO should more strict, any layout.hovermode other
-    // then false will make all geo subplot display hover text.
-    // Instead each geo should have its own geo.hovermode
-    // to control hover visibility independently of other subplots.
-};
-
 proto.makeProjection = function(geoLayout) {
     var projLayout = geoLayout.projection,
         projType = projLayout.type,

src/plots/geo/index.js

@@ -54,9 +54,7 @@ exports.plot = function plotGeo(gd) {
                 graphDiv: gd,
                 container: fullLayout._geolayer.node(),
                 topojsonURL: gd._context.topojsonURL
-            },
-                fullLayout
-            );
+            });
 
             fullLayout[geoId]._subplot = geo;
         }