Update defaults

Author: kgryte

lib/node_modules/@stdlib/plot/base/ctor/lib/defaults.js

@@ -56,9 +56,6 @@ function defaults() {
 	// Data labels:
 	o.labels = [];
 
-	// Line color:
-	o.lineColor = '#000000';
-
 	// Line opacity:
 	o.lineOpacity = 0.9; // [0,1]
 
@@ -112,9 +109,6 @@ function defaults() {
 	// Number of x-axis tick marks:
 	o.xNumTicks = 5;
 
-	// x-axis scale:
-	o.xScale = 'linear';
-
 	// x-axis tick format:
 	o.xTickFormat = null;
 
@@ -133,9 +127,6 @@ function defaults() {
 	// Number of y-axis tick marks:
 	o.yNumTicks = 5;
 
-	// y-axis scale:
-	o.yScale = 'linear';
-
 	// y-axis tick format:
 	o.yTickFormat = null;