src: delete unused variables to resolve compile time print warning

PR-URL: #33358
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: David Carlier <devnexen@gmail.com>

src/large_pages/node_large_page.cc

@@ -238,7 +238,6 @@ struct text_region FindNodeTextRegion() {
     } else {
       char* start = reinterpret_cast<char*>(hugepage_align_up(addr));
       char* end = reinterpret_cast<char*>(hugepage_align_down(addr+size));
-      size_t esize = end - start;
 
       if (end > start && (map.protection & VM_PROT_READ) != 0 &&
           (map.protection & VM_PROT_EXECUTE) != 0) {