refactor!: finish parser migration

Finally! :)

This removes all code related to the old parser.

#65

lib/parser/classes/AnalyticsMainAppKeyMetrics.js

@@ -0,0 +1,17 @@
+'use strict';
+
+const DataModelSection = require('./DataModelSection');
+
+class AnalyticsMainAppKeyMetrics {
+  type = 'AnalyticsMainAppKeyMetrics';
+
+  constructor(data) {
+    this.period = data.cardData.periodLabel;
+
+    const metrics_data = data.cardData.sections[0].analyticsKeyMetricsData;
+
+    this.sections = metrics_data.dataModel.sections.map((section) => new DataModelSection(section));
+  }
+}
+
+module.exports = AnalyticsMainAppKeyMetrics;