Remove apple pay deprecated property in BUYClient.

Mobile Buy SDK/Mobile Buy SDK Tests/BUYClientTest.m

@@ -151,18 +151,6 @@ NSString * const BUYFakeCustomerToken = @"dsfasdgafdg";
 	);
 }
 
-- (void)testMerchantId
-{
-	NSString *merchantId = @"com.merchant.id";
-	
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-	[self.client enableApplePayWithMerchantId:merchantId];
-	
-	XCTAssertEqualObjects(merchantId, self.client.merchantId);
-#pragma GCC diagnostic pop
-}
-
 - (void)testStatusCodeConversions
 {
 	BUYStatus status = [self.client statusForStatusCode:412 error:nil];

Mobile Buy SDK/Mobile Buy SDK/Data/BUYClient.h

@@ -126,11 +126,6 @@ NS_ASSUME_NONNULL_BEGIN
 @property (nonatomic, strong, readonly, nonnull) NSString *appId;
 
 /**
- *  The Merchant ID is used for Apple Pay and set using `enableApplePayWithMerchantId:`
- */
-@property (nonatomic, strong, readonly, nullable) NSString *merchantId NS_DEPRECATED_IOS(8_0, 9_0, "Set the `merchantId` on a BUYViewController subclass instead");
-
-/**
  *  Application name to attribute orders to.  Defaults to app bundle name (CFBundleName)
  */
 @property (nonatomic, strong, nonnull) NSString *applicationName;
@@ -147,15 +142,6 @@ NS_ASSUME_NONNULL_BEGIN
  */
 @property (strong, nonatomic, nullable) NSString *customerToken;
 
-#pragma mark - Deprecated methods
-
-/**
- *  Enable Apple Pay by calling this method with the Merchant ID provided via Apple Pay setup in the Mobile SDK Channel on Shopify Admin
- *
- *  @param merchantId The Merchant ID generated on Shopify Admin
- */
-- (void)enableApplePayWithMerchantId:(NSString *)merchantId NS_DEPRECATED_IOS(8_0, 9_0, "Set the merchantId on a `BUYViewController` subclass instead");
-
 @end
 
 NS_ASSUME_NONNULL_END

Mobile Buy SDK/Mobile Buy SDK/Data/BUYClient.m

@@ -236,11 +236,4 @@ static NSString * const BUYClientJSONMimeType = @"application/json";
 	}
 }
 
-#pragma mark - Deprecations
-
-- (void)enableApplePayWithMerchantId:(NSString *)merchantId
-{
-	_merchantId = merchantId;
-}
-
 @end