Remove baseSlice.

slice.js

@@ -1,5 +1,3 @@
-import baseSlice from './.internal/baseSlice.js'
-
 /**
  * Creates a slice of `array` from `start` up to, but not including, `end`.
  *
@@ -15,13 +13,29 @@ import baseSlice from './.internal/baseSlice.js'
  * @returns {Array} Returns the slice of `array`.
  */
 function slice(array, start, end) {
-  const length = array == null ? 0 : array.length
+  let length = array == null ? 0 : array.length
   if (!length) {
     return []
   }
   start = start == null ? 0 : start
   end = end === undefined ? length : end
-  return baseSlice(array, start, end)
+
+  if (start < 0) {
+    start = -start > length ? 0 : (length + start)
+  }
+  end = end > length ? length : end
+  if (end < 0) {
+    end += length
+  }
+  length = start > end ? 0 : ((end - start) >>> 0)
+  start >>>= 0
+
+  let index = -1
+  const result = new Array(length)
+  while (++index < length) {
+    result[index] = array[index + start]
+  }
+  return result
 }
 
 export default slice