fix: remove codeChallenge and codeChallengeMethod

This are not supported through `additionalParameters`.
Closes #25

Author: ColinFrick

Sources/FusionAuth/oauth/OAuthAuthorizationService.swift

@@ -35,12 +35,6 @@ public class OAuthAuthorizationService {
         if locale != nil {
             additionalParameters.updateValue(locale!, forKey: "locale")
         }
-        if options.codeChallenge != nil {
-            additionalParameters.updateValue(options.codeChallenge!, forKey: "code_challenge")
-        }
-        if options.codeChallengeMethod != nil {
-            additionalParameters.updateValue(options.codeChallengeMethod!.rawValue, forKey: "code_challenge_method")
-        }
         if options.idpHint != nil {
             additionalParameters.updateValue(options.idpHint!, forKey: "idp_hint")
         }

Sources/FusionAuth/oauth/OAuthAuthorizeOptions.swift

@@ -15,10 +15,6 @@ public struct OAuthAuthorizeOptions {
     let redirectUri: String
     /// The identity provider hint to be used for the OAuth authorize request.
     let idpHint: String?
-    /// The code challenge to be used for the OAuth authorize request.
-    let codeChallenge: String?
-    /// The code challenge method to be used for the OAuth authorize request.
-    let codeChallengeMethod: OAuthCodeChallengeMethod?
     /// An optional email address or top level domain that can allow you to bypass the FusionAuth login
     /// page when using managed domains.
     let loginHint: String?
@@ -37,8 +33,6 @@ public struct OAuthAuthorizeOptions {
         bundleId: String = Bundle.main.bundleIdentifier ?? "",
         redirectUriSuffix: String = ":/oauth2redirect/ios-provider",
         idpHint: String? = nil,
-        codeChallenge: String? = nil,
-        codeChallengeMethod: OAuthCodeChallengeMethod? = nil,
         loginHint: String? = nil,
         deviceDescription: String? = nil,
         nonce: String? = nil,
@@ -49,8 +43,6 @@ public struct OAuthAuthorizeOptions {
         self.bundleId = bundleId
         self.redirectUri = bundleId + redirectUriSuffix
         self.idpHint = idpHint
-        self.codeChallenge = codeChallenge
-        self.codeChallengeMethod = codeChallengeMethod
         self.loginHint = loginHint
         self.deviceDescription = deviceDescription
         self.nonce = nonce