Revert "std.http.Client: always omit port when it matches default"

This reverts commit db0a42b558c64eac2b4e41d02b078931b0c63af8, but keeps
the changes to std/Uri.zig.
0a3dff8125Andrew Kelley committed on 4/13/2024, 5:37:07 AMparent6deb3e3
1 file changedLine totals unavailable