Editorial: remove references to RegExp v flag proposal

The proposal at https://github.com/tc39/proposal-regexp-v-flag has been integrated into the ECMAScript standard and thus no longer needs separate references.

source

@@ -3052,9 +3052,6 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
     <ul class="brief">
      <li>The <dfn data-x-href="https://tc39.es/proposal-resizablearraybuffer/#sec-isarraybufferviewoutofbounds">IsArrayBufferViewOutOfBounds</dfn> abstract operation</li>
     </ul>
-
-    <p>User agents that support JavaScript must also implement the <cite>RegExp <code data-x="">v</code> flag</cite>
-    proposal. <ref spec=JSREGEXPVFLAG></p>
    </dd>
 
    <dt>WebAssembly</dt>
@@ -51054,8 +51051,7 @@ ldh-str       = &lt; as defined in <a href="https://www.rfc-editor.org/rfc/rfc10
   data-x="concept-fe-values">values</span>, are to be checked.</p>
 
   <p>If specified, the attribute's value must match the JavaScript <i
-  data-x="js-prod-Pattern">Pattern</i><sub><code data-x="">[+UnicodeSetsMode, +N]</code></sub> production. <ref
-  spec=JSREGEXPVFLAG></p>
+  data-x="js-prod-Pattern">Pattern</i><sub><code data-x="">[+UnicodeSetsMode, +N]</code></sub> production.</p>
 
   <div w-nodev>
 
@@ -51071,7 +51067,7 @@ ldh-str       = &lt; as defined in <a href="https://www.rfc-editor.org/rfc/rfc10
    data-x="attr-input-pattern">pattern</code> attribute of the element.</p></li>
 
    <li><p>Let <var>regexpCompletion</var> be <span>RegExpCreate</span>(<var>pattern</var>,
-   "<code data-x="">v</code>"). <ref spec=JSREGEXPVFLAG></p></li>
+   "<code data-x="">v</code>").</p></li>
 
    <li>
     <p>If <var>regexpCompletion</var> is an <span data-x="Completion Record">abrupt
@@ -133954,9 +133950,6 @@ INSERT INTERFACES HERE
    <dt id="refsJSJSONMODULES">[JSJSONMODULES]</dt>
    <dd><cite><a href="https://tc39.es/proposal-json-modules/">JSON Modules</a></cite>. Ecma International.</dd>
 
-   <dt id="refsJSREGEXPVFLAG">[JSREGEXPVFLAG]</dt>
-   <dd><cite><a href="https://github.com/tc39/proposal-regexp-v-flag">RegExp <code data-x="">v</code> flag with set notation + properties of strings</a></cite>. Ecma International.</dd>
-
    <dt id="refsJSRESIZABLEBUFFERS">[JSRESIZABLEBUFFERS]</dt>
    <dd><cite><a href="https://tc39.es/proposal-resizablearraybuffer/">Resizable ArrayBuffer and growable SharedArrayBuffer</a></cite>. Ecma International.</dd>