Remove fill polyfill

Fixes #4241

src/common/TypedArrayUtils.ts

@@ -5,39 +5,6 @@
 
 export type TypedArray = Uint8Array | Uint16Array | Uint32Array | Uint8ClampedArray | Int8Array | Int16Array | Int32Array | Float32Array | Float64Array;
 
-
-/**
- * polyfill for TypedArray.fill
- * This is needed to support .fill in all safari versions and IE 11.
- */
-export function fill<T extends TypedArray>(array: T, value: number, start?: number, end?: number): T {
-  // all modern engines that support .fill
-  if (array.fill) {
-    return array.fill(value, start, end) as T;
-  }
-  return fillFallback(array, value, start, end);
-}
-
-export function fillFallback<T extends TypedArray>(array: T, value: number, start: number = 0, end: number = array.length): T {
-  // safari and IE 11
-  // since IE 11 does not support Array.prototype.fill either
-  // we cannot use the suggested polyfill from MDN
-  // instead we simply fall back to looping
-  if (start >= array.length) {
-    return array;
-  }
-  start = (array.length + start) % array.length;
-  if (end >= array.length) {
-    end = array.length;
-  } else {
-    end = (array.length + end) % array.length;
-  }
-  for (let i = start; i < end; ++i) {
-    array[i] = value;
-  }
-  return array;
-}
-
 /**
  * Concat two typed arrays `a` and `b`.
  * Returns a new typed array.