Update from 1.19.8 to 1.19.9.

Update NGINX JavaScript module from 0.5.2 to 0.5.3.
Remove needless patches.

<ChangeLog for nginx 1.19.9>

*) Bugfix: nginx could not be built with the mail proxy module, but

without the ngx_mail_ssl_module; the bug had appeared in 1.19.8.

*) Bugfix: "upstream sent response body larger than indicated content

length" errors might occur when working with gRPC backends; the bug
had appeared in 1.19.1.

*) Bugfix: nginx might not close a connection till keepalive timeout

expiration if the connection was closed by the client while
discarding the request body.

*) Bugfix: nginx might not detect that a connection was already closed

by the client when waiting for auth_delay or limit_req delay, or when
working with backends.

*) Bugfix: in the eventport method.

</ChangeLog>

<ChangeLog for njs 0.5.3>

nginx modules:

*) Feature: added the "js_var" directive.

</ChangeLog>