Don't reuse address

This was a temporary workaround for when I was not cleanly exiting.
Now that I am, this is not necessary.

src/server/Server.zig

@@ -61,7 +61,7 @@ pub fn start(server: *Server, io: Io, gpa: Allocator) !void {
     var tcp_server = try IpAddress.listen(try IpAddress.parse(
         server.info.host,
         server.info.port,
-    ), io, .{ .reuse_address = true });
+    ), io, .{});
     defer tcp_server.deinit(io);
     log.debug("Server headers: {s}", .{if (server.info.headers) "true" else "false"});
     log.debug("Server max payload: {d}", .{server.info.max_payload});