nit: remove getPrivacyConsent as it is no longer used

* Keeping this method is misleading, it is no longer used by anything
* Instead, logic is using the `requiresUserPrivacyConsent` method instead that considers the plist value.

Author: nan-li

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OSPrivacyConsentController.h

@@ -29,7 +29,6 @@ THE SOFTWARE.
 @interface OSPrivacyConsentController : NSObject
 + (BOOL)requiresUserPrivacyConsent;
 + (void)consentGranted:(BOOL)granted;
-+ (BOOL)getPrivacyConsent;
 + (BOOL)shouldLogMissingPrivacyConsentErrorWithMethodName:(NSString *)methodName;
 + (void)setRequiresPrivacyConsent:(BOOL)required;
 @end

iOS_SDK/OneSignalSDK/OneSignalCore/Source/OSPrivacyConsentController.m

@@ -65,12 +65,6 @@ + (void)consentGranted:(BOOL)granted {
     [OneSignalUserDefaults.initStandard saveBoolForKey:GDPR_CONSENT_GRANTED withValue:granted];
 }
 
-+ (BOOL)getPrivacyConsent {
-    // The default is the inverse of privacy consent required
-    BOOL defaultValue = ![OneSignalUserDefaults.initShared getSavedBoolForKey:OSUD_REQUIRES_USER_PRIVACY_CONSENT defaultValue:NO];
-    return [OneSignalUserDefaults.initStandard getSavedBoolForKey:GDPR_CONSENT_GRANTED defaultValue:defaultValue];
-}
-
 + (BOOL)shouldLogMissingPrivacyConsentErrorWithMethodName:(NSString *)methodName {
     if ([self requiresUserPrivacyConsent]) {
         if (methodName) {

iOS_SDK/OneSignalSDK/Source/OneSignal.m

@@ -605,10 +605,6 @@ + (void)setConsentGiven:(BOOL)granted {
     _delayedInitParameters = nil;
 }
 
-+ (BOOL)getPrivacyConsent {
-    return [OSPrivacyConsentController getPrivacyConsent];
-}
-
 + (void)downloadIOSParamsWithAppId:(NSString *)appId {
     [OneSignalLog onesignalLog:ONE_S_LL_DEBUG message:@"Downloading iOS parameters for this application"];
     _didCallDownloadParameters = true;