finish separating meta init from PixelControl.for

src/lib/MetaPixel.svelte

@@ -76,7 +76,6 @@
 			}
 		): PixelControl {
 			PixelControl.load();
-			window.fbq('init', pixelID);
 			return new PixelControl(trackingManager, pixelID, options?.testEventCode);
 		}