[fix] network: stop http redirects (#6740)

Stop curl from following from a HTTPS origin to a HTTP page

See: https://curl.se/libcurl/c/CURLOPT_REDIR_PROTOCOLS_STR.html

Reported-by: Rohit Dixit <00.00.xit@gmail.com>

searx/network/network.py

@@ -277,7 +277,6 @@ class Network:
             client = await self.get_client(**kwargs_clients)
             try:
                 method = method.upper()
-                client.check_url(url)
                 if stream:
                     return client.stream(method, url, **kwargs)