Removed unused date setting

settings.ts

@@ -13,20 +13,6 @@ export class ExampleSettingsTab extends PluginSettingTab {
         let { containerEl } = this;
         containerEl.empty();
 
-        new Setting(containerEl)
-            .setName("Date format")
-            .setDesc("Default date format")
-            .addText((text) => 
-            
-                text
-                    .setPlaceholder("MMMM dd, yyyy")
-                    .setValue(this.plugin.settings.dateFormat)
-                    .onChange(async (value) => {
-                        this.plugin.settings.dateFormat = value;
-                        await this.plugin.saveSettings();
-                    })
-            );
-
         new Setting(containerEl)
         .setName("Habitica User ID")
         .setDesc("Can be found in Settings > API")