doc: remove Corepack documentation page

PR-URL: #57663
Reviewed-By: Jordan Harband <ljharb@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>

Author: aduh95

doc/api/corepack.md

@@ -45,7 +45,7 @@ const linkedHtmls = [...new Set(links)].map((link) => link.match(re)[1])
 constexpectedJsons=linkedHtmls
 .map((name)=>name.replace('.html','.json'));
 constexpectedDocs=linkedHtmls.concat(expectedJsons);
-constrenamedDocs=['corepack.json','corepack.html','policy.json','policy.html'];
+constrenamedDocs=['policy.json','policy.html'];
 constskipedDocs=['quic.json','quic.html'];
 
 // Test that all the relative links in the TOC match to the actual documents.