Remove deprecated API for pageGrabberEnabled (#49)

* Remove deprecated API for `pageGrabberEnabled`

* Bump version number to 1.2.1

Author: radazzouz

examples/cordova/PSPDFKit-Demo/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "pspdfkit-cordova",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "PSPDFKit Cordova Plugin for Android and iOS",
   "cordova": {
     "id": "pspdfkit-cordova",

examples/ionic/PSPDFKit-Demo/package-lock.json

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android" id="pspdfkit-cordova" version="1.2.0">
+<plugin xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android" id="pspdfkit-cordova" version="1.2.1">
   <engines>
     <engine name="cordova" version="&gt;=6.3.1" />
   </engines>

package.json

@@ -1131,16 +1131,6 @@ - (NSNumber *)shouldAskForAnnotationUsernameAsJSON {
     return @(_pdfController.configuration.shouldAskForAnnotationUsername);
 }
 
-- (void)setPageGrabberEnabledForPSPDFViewControllerWithJSON:(NSNumber *)pageGrabberEnabled {
-    [_pdfController updateConfigurationWithBuilder:^(PSPDFConfigurationBuilder *builder) {
-        builder.pageGrabberEnabled = pageGrabberEnabled.boolValue;
-    }];
-}
-
-- (NSNumber *)pageGrabberEnabledAsJSON {
-    return @(_pdfController.configuration.pageGrabberEnabled);
-}
-
 - (void)setPageLabelEnabledForPSPDFViewControllerWithJSON:(NSNumber *)pageLabelEnabled {
     [_pdfController updateConfigurationWithBuilder:^(PSPDFConfigurationBuilder *builder) {
         builder.pageLabelEnabled = pageLabelEnabled.boolValue;