Improve README.md

Author: hrshs

README.md

@@ -49,21 +49,7 @@ For use plugin, You shoude an instance of `CameraKitController` then initial `Ca
 True means scan barcode mode and false means take picture mode
 Because of performance reasons, you can't use barcode reader mode and take picture mode simultaneously.
 `barcodeFormat`:
-Set barcode format from available values, default value is FORMAT_ALL_FORMATS
-  FORMAT_ALL_FORMATS,
-  FORMAT_CODE_128,
-  FORMAT_CODE_39,
-  FORMAT_CODE_93,
-  FORMAT_CODABAR,
-  FORMAT_DATA_MATRIX,
-  FORMAT_EAN_13,
-  FORMAT_EAN_8,
-  FORMAT_ITF,
-  FORMAT_QR_CODE,
-  FORMAT_UPC_A,
-  FORMAT_UPC_E,
-  FORMAT_PDF417,
-  FORMAT_AZTEC
+Set barcode format from available values, default value is FORMAT_ALL_FORMATS.
 `scaleType`:
 There are 2 modes `ScaleTypeMode.fill` and `ScaleTypeMode.fit` for this parameter.
 If you want camera preview fill your widget area, use `fill` mode. In this mode, camera preview may be croped for filling widget area.