Remove concat.

concat.js

@@ -1,30 +0,0 @@
-import baseFlatten from './.internal/baseFlatten.js'
-import copyArray from './.internal/copyArray.js'
-
-/**
- * Creates a new array concatenating `array` with any additional arrays
- * and/or values.
- *
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to concatenate.
- * @param {...*} [values] The values to concatenate.
- * @returns {Array} Returns the new concatenated array.
- * @example
- *
- * const array = [1]
- * const other = concat(array, 2, [3], [[4]])
- *
- * console.log(other)
- * // => [1, 2, 3, [4]]
- *
- * console.log(array)
- * // => [1]
- */
-function concat(array, ...values) {
-  const result = Array.isArray(array) ? copyArray(array) : [array]
-  result.push(...baseFlatten(values, 1))
-  return result
-}
-
-export default concat