chore: remove old anonymous session code

Author: chanceaclark

core/auth/index.ts

@@ -78,10 +78,6 @@ const PasswordCredentials = z.object({
   cartId: cartIdSchema,
 });
 
-const AnonymousCredentials = z.object({
-  cartId: z.string().optional(),
-});
-
 const JwtCredentials = z.object({
   jwt: z.string(),
   cartId: cartIdSchema,
@@ -192,14 +188,6 @@ async function loginWithJwt(credentials: unknown): Promise<User | null> {
   };
 }
 
-function loginWithAnonymous(credentials: unknown): User | null {
-  const { cartId } = AnonymousCredentials.parse(credentials);
-
-  return {
-    cartId: cartId ?? null,
-  };
-}
-
 const config = {
   // Explicitly setting this value to be undefined. We want the library to handle CSRF checks when taking sensitive actions.
   // When handling sensitive actions like sign in, sign out, etc., the library will automatically check for CSRF tokens.
@@ -318,13 +306,6 @@ const config = {
       },
       authorize: loginWithPassword,
     }),
-    CredentialsProvider({
-      id: 'anonymous',
-      credentials: {
-        cartId: { type: 'text' },
-      },
-      authorize: loginWithAnonymous,
-    }),
     CredentialsProvider({
       id: 'jwt',
       credentials: {