Simplify & remove edition

docs/api/martins.md

 
 The version of MARTINS.js.
 
-### edition
-
-`Martins.edition: string, read-only`
-
-The edition of MARTINS.js.
-
 ## Methods
 
 ### isSupported

src/core/stats-panel.ts

         };
 
         this._container.textContent = (
-            `MARTINS.js ${Martins.edition}
-            Version ${Martins.version}
+            `MARTINS.js v${Martins.version}
             FPS: [fps] | GPU: [gpu] [powerIcon]
             IN : ${sourceStats}
             OUT: ${trackerStats}`

src/main.ts

     }
 
     /**
-     * Engine edition
-     */
-    static get edition(): string
-    {
-        return 'Free Edition';
-    }
-
-    /**
      * Speedy Vision
      */
     static get Speedy(): typeof Speedy
 
 // Display a notice
 Utils.log(
-    `MARTINS.js ${Martins.edition} version ${Martins.version}. ` +
+    `MARTINS.js version ${Martins.version}. ` +
     `GPU-accelerated Augmented Reality for the web by Alexandre Martins. ` +
     __MARTINS_WEBSITE__
 );