Revert "Update examples collection"

This reverts commit 87d3066428.

emsdk-cache/emsdk-main/bazel/hello-world/hello-world-simd.cc

@@ -1,10 +0,0 @@
-#include <wasm_simd128.h>
-
-void multiply_arrays(int* out, int* in_a, int* in_b, int size) {
-  for (int i = 0; i < size; i += 4) {
-    v128_t a = wasm_v128_load(&in_a[i]);
-    v128_t b = wasm_v128_load(&in_b[i]);
-    v128_t prod = wasm_i32x4_mul(a, b);
-    wasm_v128_store(&out[i], prod);
-  }
-}

emsdk-cache/emsdk-main/bazel/hello-world/hello-world.cc

@@ -1,6 +0,0 @@
-#include <iostream>
-
-int main(int argc, char** argv) {
-  std::cout << "hello world!" << std::endl;
-  return 0;
-}