refactor: remove QrcodeReader component

BREAKING CHANGE: `QrcodeReader` component removed. Use QrcodeStream
instead.

Author: gruhn

src/components/QrcodeReader.vue

@@ -1,27 +1,16 @@
-/* DEPRECATED: QrcodeReader renamed to QrcodeStream */
-import QrcodeReader from "./components/QrcodeReader.vue";
-
 import QrcodeStream from "./components/QrcodeStream.vue";
 import QrcodeCapture from "./components/QrcodeCapture.vue";
 import QrcodeDropZone from "./components/QrcodeDropZone.vue";
 
 // Install the components
 export function install(Vue) {
-  /* DEPRECATED: QrcodeReader renamed to QrcodeStream */
-  Vue.component("qrcode-reader", QrcodeReader);
-
   Vue.component("qrcode-stream", QrcodeStream);
   Vue.component("qrcode-capture", QrcodeCapture);
   Vue.component("qrcode-drop-zone", QrcodeDropZone);
 }
 
 // Expose the components
-export {
-  QrcodeReader /* DEPRECATED: QrcodeReader renamed to QrcodeStream */,
-  QrcodeStream,
-  QrcodeCapture,
-  QrcodeDropZone
-};
+export { QrcodeStream, QrcodeCapture, QrcodeDropZone };
 
 /* -- Plugin definition & Auto-install -- */
 /* You shouldn't have to modify the code below */