Remove unused REPOSITORY and REPO_NAME constants

Author: mokagio

fastlane/Fastfile

@@ -10,9 +10,7 @@ USER_ENV_FILE_PATH = File.join(Dir.home, '.wcios-env.default')
 SECRETS_DIR = File.join(Dir.home, '.configure', 'woocommerce-ios', 'secrets')
 PROJECT_ENV_FILE_PATH = File.join(SECRETS_DIR, 'project.env')
 
-REPOSITORY_NAME = 'woocommerce-ios'
-GH_ORG_NAME = 'woocommerce'
-GHHELPER_REPO = "#{GH_ORG_NAME}/#{REPOSITORY_NAME}"
+GHHELPER_REPO = 'woocommerce/woocommerce-ios'
 
 # Constants
 PROJECT_ROOT_FOLDER = File.dirname(File.expand_path(__dir__))