Move scale descriptors to core.scale

Author: kurkle

src/core/core.defaults.js

@@ -167,16 +167,5 @@ export default new Defaults({
 	interaction: {
 		_scriptable: false,
 		_indexable: false,
-	},
-	scales: {
-		_defaultId: (ctx, options) => options.axis === options.indexAxis ? '_index_' : '_value_',
-		_fallback: 'scale',
-		_scriptable: (name) => !name.startsWith('before') && !name.startsWith('after'),
-		ticks: {
-			_scriptable: (name) => name !== 'callback'
-		},
-		gridLines: {
-			_indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash'
-		}
 	}
 });

src/core/core.scale.js

@@ -79,6 +79,18 @@ defaults.route('scale.ticks', 'color', '', 'color');
 defaults.route('scale.gridLines', 'color', '', 'borderColor');
 defaults.route('scale.scaleLabel', 'color', '', 'color');
 
+defaults.describe('scales', {
+	_defaultId: (ctx, options) => options.axis === options.indexAxis ? '_index_' : '_value_',
+	_fallback: 'scale',
+	_scriptable: (name) => !name.startsWith('before') && !name.startsWith('after'),
+	ticks: {
+		_scriptable: (name) => name !== 'callback'
+	},
+	gridLines: {
+		_indexable: (name) => name !== 'borderDash' && name !== 'tickBorderDash'
+	}
+});
+
 /**
  * Returns a new array containing numItems from arr
  * @param {any[]} arr