tools: remove non-existing file from CODEOWNERS file

Signed-off-by: Juan José Arboleda <[email protected]>
PR-URL: #48697
Reviewed-By: Ruy Adorno <[email protected]>
Reviewed-By: Danielle Adams <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Moshe Atlow <[email protected]>

Author: juanarbol

.github/CODEOWNERS

@@ -159,7 +159,6 @@
 
 # Permission Model
 /doc/api/permissions.md @nodejs/security-wg
-/lib/internal/process/permission.js @nodejs/security-wg
 /src/permission/* @nodejs/security-wg
 
 # Dependency Update Tools