Some cleanup

src/modules/game/counter.js

@@ -1,5 +1,4 @@
-const svgns = "http://www.w3.org/2000/svg",
-  selectedClass = 'selected';
+const selectedClass = 'selected';
 
 function dataSelector({ dataset: { allegiance, number }}) {
   return `[data-number="${number}"][data-allegiance="${allegiance}"]`;

src/modules/game/firingArc.js

@@ -4,8 +4,7 @@
 // cancels out, leaving us with a unitless ratio of sqrt(3) / (3 / 2), or
 // 2 * sqrt(3) / 3.
 
-const svgns = "http://www.w3.org/2000/svg",
-  horzToVertDistRatio = 2 * Math.sqrt(3) / 3,
+const horzToVertDistRatio = 2 * Math.sqrt(3) / 3,
 
   arcSize = {
     'small': Math.atan(horzToVertDistRatio / 6),

src/modules/game/sightLine.js

@@ -1,5 +1,4 @@
-const svgns = "http://www.w3.org/2000/svg",
-  targetClassName = 'sight-line-target',
+const targetClassName = 'sight-line-target',
   activeClassName = 'active';
 
 function evenr_to_axial(x, y) {