remove deprecated custom typeInfo arg for validate() (#4187)

src/validation/__tests__/validation-test.ts

@@ -9,7 +9,6 @@ import type { DirectiveNode } from '../../language/ast.js';
 import { parse } from '../../language/parser.js';
 
 import { buildSchema } from '../../utilities/buildASTSchema.js';
-import { TypeInfo } from '../../utilities/TypeInfo.js';
 
 import { validate } from '../validate.js';
 import type { ValidationContext } from '../ValidationContext.js';
@@ -53,35 +52,6 @@ describe('Validate: Supports full validation', () => {
     ]);
   });
 
-  it('Deprecated: validates using a custom TypeInfo', () => {
-    // This TypeInfo will never return a valid field.
-    const typeInfo = new TypeInfo(testSchema, null, () => null);
-
-    const doc = parse(`
-      query {
-        human {
-          pets {
-            ... on Cat {
-              meowsVolume
-            }
-            ... on Dog {
-              barkVolume
-            }
-          }
-        }
-      }
-    `);
-
-    const errors = validate(testSchema, doc, undefined, undefined, typeInfo);
-    const errorMessages = errors.map((error) => error.message);
-
-    expect(errorMessages).to.deep.equal([
-      'Cannot query field "human" on type "QueryRoot". Did you mean "human"?',
-      'Cannot query field "meowsVolume" on type "Cat". Did you mean "meowsVolume"?',
-      'Cannot query field "barkVolume" on type "Dog". Did you mean "barkVolume"?',
-    ]);
-  });
-
   it('validates using a custom rule', () => {
     const schema = buildSchema(`
       directive @custom(arg: String) on FIELD

src/validation/validate.ts

@@ -42,9 +42,6 @@ export function validate(
   documentAST: DocumentNode,
   rules: ReadonlyArray<ValidationRule> = specifiedRules,
   options?: { maxErrors?: number },
-
-  /** @deprecated will be removed in 17.0.0 */
-  typeInfo: TypeInfo = new TypeInfo(schema),
 ): ReadonlyArray<GraphQLError> {
   const maxErrors = options?.maxErrors ?? 100;
 
@@ -55,6 +52,7 @@ export function validate(
     'Too many validation errors, error limit reached. Validation aborted.',
   );
   const errors: Array<GraphQLError> = [];
+  const typeInfo = new TypeInfo(schema);
   const context = new ValidationContext(
     schema,
     documentAST,