Bug 1883921 - wasm: Let js-string-builtins be built on beta/release. …

…r=bvisness

Differential Revision: https://phabricator.services.mozilla.com/D203841

js/moz.configure

@@ -759,20 +759,14 @@ set_define("ENABLE_WASM_GC", wasm_gc)
 # ==========================================
 
 
-@depends(milestone.is_nightly)
-def default_wasm_js_string_builtins(is_nightly):
-    if is_nightly:
-        return True
-
-
 option(
-    "--enable-wasm-js-string-builtins",
-    default=default_wasm_js_string_builtins,
+    "--disable-wasm-js-string-builtins",
+    default=True,
     help="{Enable|Disable} WebAssembly JS String Builtins",
 )
 
 
-@depends("--enable-wasm-js-string-builtins", "--wasm-no-experimental")
+@depends("--disable-wasm-js-string-builtins", "--wasm-no-experimental")
 def wasm_js_string_builtins(value, no_experimental):
     if no_experimental or not value:
         return