Remove unused Plugin.priorityString getter

src/gui/html/js/plugin.js

@@ -232,14 +232,6 @@
       return rowData;
     }
 
-    get priorityString() {
-      if (this.priority === 0) {
-        return '';
-      }
-
-      return this.priority.toString();
-    }
-
     _dispatchCardContentChangeEvent() {
       document.dispatchEvent(new CustomEvent('loot-plugin-card-content-change', {
         detail: { pluginId: this.id },

src/tests/gui/html/js/test_plugin.js

@@ -301,32 +301,6 @@ describe('Plugin', () => {
     });
   });
 
-  describe('#priorityString', () => {
-    it('should return an empty string if priority is undefined', () => {
-      const plugin = new loot.Plugin({ name: 'test' });
-
-      plugin.priorityString.should.equal('');
-    });
-
-    it('should return an empty string if priority is zero', () => {
-      const plugin = new loot.Plugin({
-        name: 'test',
-        priority: 0,
-      });
-
-      plugin.priorityString.should.equal('');
-    });
-
-    it('should return priority value as string if non zero', () => {
-      const plugin = new loot.Plugin({
-        name: 'test',
-        priority: -50,
-      });
-
-      plugin.priorityString.should.equal('-50');
-    });
-  });
-
   describe('#messages', () => {
     let handleEvent;