Revert "[wasm] Update spec tests"

This CL landed on top of another CL which I want to revert.

This reverts commit 27b0d6a9.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> [wasm] Update spec tests
> 
> Update the spec tests in v8 to the most recent version.
> 
> R=​rossberg@chromium.org
> CC=titzer@chromium.org
> 
> Change-Id: Ib4e809c20150502b131a2c0b68fdb2ede1d5f85f
> Reviewed-on: https://chromium-review.googlesource.com/552155
> Commit-Queue: Andreas Haas <ahaas@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Reviewed-by: Andreas Rossberg <rossberg@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46346}

TBR=mstarzinger@chromium.org,rossberg@chromium.org,ahaas@chromium.org

Change-Id: I82e4a2887bcb867d3572b78c36a20adc05df0903
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/558040Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46352}

DEPS

@@ -40,7 +40,7 @@ deps = {
   "v8/tools/clang":
     Var("chromium_url") + "/chromium/src/tools/clang.git" + "@" + "2023fc2e8eac6c8a6c83786460deb566db1f813d",
   "v8/test/wasm-js":
-    Var("chromium_url") + "/external/github.com/WebAssembly/spec.git" + "@" + "aadd3a340c78e53078a7bb6c17cc30f105c2960c",
+    Var("chromium_url") + "/external/github.com/WebAssembly/spec.git" + "@" + "c4774b47d326e4114f96232f1389a555639d7348",
 }
 
 deps_os = {

test/mjsunit/mjsunit.js

@@ -54,11 +54,6 @@ var assertSame;
 // and the properties of non-Array objects).
 var assertEquals;
 
-// Expected and found values are not identical primitive values or functions
-// or similarly structured objects (checking internal properties
-// of, e.g., Number and Date objects, the elements of arrays
-// and the properties of non-Array objects).
-var assertNotEquals;
 
 // The difference between expected and found value is within certain tolerance.
 var assertEqualsDelta;
@@ -350,12 +345,6 @@ var failWithMessage;
     }
   };
 
-  assertNotEquals = function assertNotEquals(expected, found, name_opt) {
-    if (deepEquals(found, expected)) {
-      fail("not equals to " + PrettyPrint(expected), found, name_opt);
-    }
-  };
-
 
   assertEqualsDelta =
       function assertEqualsDelta(expected, found, delta, name_opt) {

test/mjsunit/wasm/jsapi-harness.js

@@ -15,9 +15,7 @@ const known_failures = {
   "'WebAssembly.Table.prototype.set' method":
     'https://bugs.chromium.org/p/v8/issues/detail?id=5507',
   "'WebAssembly.Instance.prototype.exports' accessor property":
-    'https://bugs.chromium.org/p/v8/issues/detail?id=5507',
-  "'WebAssembly.Memory.prototype.grow' method":
-    'https://bugs.chromium.org/p/v8/issues/detail?id=6546'
+    'https://bugs.chromium.org/p/v8/issues/detail?id=5507'
 };
 
 let failures = [];
@@ -63,7 +61,6 @@ function promise_test(func, description) {
 }
 
 let assert_equals = assertEquals;
-let assert_not_equals = assertNotEquals;
 let assert_true = assertEquals.bind(null, true);
 let assert_false = assertEquals.bind(null, false);
 

test/wasm-spec-tests/tests.tar.gz.sha1

-fd32148c2fedcce0828d9ef94b8081a84ff35fa9
\ No newline at end of file
+6f42a1e559ccf6187f0bddfde47951895d88b327
\ No newline at end of file