Bug 1637414 - Remove orphaned metadata files for wasm bigint/i64 tests; r=lth

Relevant previous changes:

https://hg.mozilla.org/mozilla-central/rev/74cc6947f2f0e0d0068ec8d827dd2a178bf2fb85
https://hg.mozilla.org/mozilla-central/rev/830f3bbb543181f99fe19712b2a46072e1dcc7fb
https://hg.mozilla.org/mozilla-central/rev/666a2f6a86f1ef62301f6c2805379e295482c78f
https://hg.mozilla.org/mozilla-central/rev/4634a10a4e59967ee74224f0df304ae10c81f50f

Differential Revision: https://phabricator.services.mozilla.com/D81672

testing/web-platform/meta/wasm/jsapi/global/constructor.any.js.ini

@@ -1,14 +0,0 @@
-[constructor.any.html]
-  [i64 with default]
-    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1637414
-
-
-[constructor.any.js]
-  [i64 with default]
-    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1637414
-
-
-[constructor.any.worker.html]
-  [i64 with default]
-    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1637414
-

testing/web-platform/meta/wasm/jsapi/global/value-get-set.any.js.ini

@@ -1,13 +0,0 @@
-[value-get-set.any.html]
-
-[value-get-set.any.js]
-  [i64 with default]
-    expected: FAIL
-    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1637414
-
-  [i64 with ToNumber side-effects]
-    expected: FAIL
-    bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1637414
-
-
-[value-get-set.any.worker.html]