[wasm] removed redundant load line from mjsunit test

test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js

Index: test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js
diff --git a/test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js b/test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js
index 02336f7c947321589779db4efba66d49865debd2..3fab8c65b1e7a00232035098c633ad5124d03668 100644
--- a/test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js
+++ b/test/mjsunit/wasm/ensure-wasm-binaries-up-to-date.js
@@ -7,8 +7,6 @@
 // Ensure checked in wasm binaries used by integration tests from v8 hosts
 // (such as chromium) are up to date.
 
-load('test/mjsunit/mjsunit.js');
-
 (function ensure_incrementer() {
   var buff = readbuffer("test/mjsunit/wasm/incrementer.wasm");
   var mod = new WebAssembly.Module(buff);