Remove deprecated 'isValidLiteralValue' function (#2127)

Author: IvanGoncharov

src/index.js

@@ -387,8 +387,6 @@ export {
   coerceInputValue,
   // @deprecated use coerceInputValue - will be removed in v15
   coerceValue,
-  // @deprecated use validation - will be removed in v15
-  isValidLiteralValue,
   // Concatenates multiple AST together.
   concatAST,
   // Separates an AST into an AST per Operation.

src/utilities/__tests__/isValidLiteralValue-test.js

@@ -86,9 +86,6 @@ export { coerceInputValue } from './coerceInputValue';
 // @deprecated use coerceInputValue - will be removed in v15.
 export { coerceValue } from './coerceValue';
 
-// @deprecated use validation - will be removed in v15
-export { isValidLiteralValue } from './isValidLiteralValue';
-
 // Concatenates multiple AST together.
 export { concatAST } from './concatAST';
 

src/utilities/index.js

@@ -387,8 +387,6 @@ export {
   coerceInputValue,
   // @deprecated use coerceInputValue - will be removed in v15
   coerceValue,
-  // @deprecated use validation - will be removed in v15
-  isValidLiteralValue,
   // Concatenates multiple AST together.
   concatAST,
   // Separates an AST into an AST per Operation.

src/utilities/isValidLiteralValue.js

@@ -83,9 +83,6 @@ export { coerceInputValue } from './coerceInputValue';
 // Coerces a JavaScript value to a GraphQL type, or produces errors.
 export { coerceValue } from './coerceValue';
 
-// @deprecated use validation - will be removed in v15
-export { isValidLiteralValue } from './isValidLiteralValue';
-
 // Concatenates multiple AST together.
 export { concatAST } from './concatAST';