Remove isIterateeCall.

chunk.js

@@ -1,5 +1,4 @@
 import baseSlice from './.internal/baseSlice.js'
-import isIterateeCall from './.internal/isIterateeCall.js'
 import toInteger from './toInteger.js'
 
 /* Built-in method references for those with the same name as other `lodash` methods. */
@@ -15,7 +14,6 @@ const nativeMax = Math.max
  * @category Array
  * @param {Array} array The array to process.
  * @param {number} [size=1] The length of each chunk
- * @param- {Object} [guard] Enables use as an iteratee for methods like `map`.
  * @returns {Array} Returns the new array of chunks.
  * @example
  *
@@ -25,12 +23,8 @@ const nativeMax = Math.max
  * chunk(['a', 'b', 'c', 'd'], 3)
  * // => [['a', 'b', 'c'], ['d']]
  */
-function chunk(array, size, guard) {
-  if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
-    size = 1
-  } else {
-    size = nativeMax(toInteger(size), 0)
-  }
+function chunk(array, size) {
+  size = nativeMax(toInteger(size), 0)
   const length = array == null ? 0 : array.length
   if (!length || size < 1) {
     return []