test: drop v5.x-specific code path from simd test

PR-URL: https://github.com/nodejs/node/pull/11346
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>

test/parallel/test-util-inspect-simd.js

@@ -40,24 +40,17 @@ assert.strictEqual(
     inspect(SIMD.Int8x16()),
     'Int8x16 [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]');
 
-// The SIMD types below are not available in v5.
-if (typeof SIMD.Uint16x8 === 'function') {
-  assert.strictEqual(
-      inspect(SIMD.Uint16x8()),
-      'Uint16x8 [ 0, 0, 0, 0, 0, 0, 0, 0 ]');
-}
+assert.strictEqual(
+    inspect(SIMD.Uint16x8()),
+    'Uint16x8 [ 0, 0, 0, 0, 0, 0, 0, 0 ]');
 
-if (typeof SIMD.Uint32x4 === 'function') {
-  assert.strictEqual(
-      inspect(SIMD.Uint32x4()),
-      'Uint32x4 [ 0, 0, 0, 0 ]');
-}
+assert.strictEqual(
+    inspect(SIMD.Uint32x4()),
+    'Uint32x4 [ 0, 0, 0, 0 ]');
 
-if (typeof SIMD.Uint8x16 === 'function') {
-  assert.strictEqual(
-      inspect(SIMD.Uint8x16()),
-      'Uint8x16 [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]');
-}
+assert.strictEqual(
+    inspect(SIMD.Uint8x16()),
+    'Uint8x16 [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ]');
 
 // Tests from test-inspect.js that should not fail with --harmony_simd.
 assert.strictEqual(inspect([]), '[]');