hyper: drop support

lib : remove all hyper code
configure: stop detecting hyper
docs: no more mention of hyper
tests: mo more special-handling of hyper builds
CI: no jobs using hyper

Closes #15120

tests/data/test178

@@ -19,11 +19,8 @@ Funny-head: yesyes
 moooooooooooo
 </data>
 <datacheck>
-%if hyper
-%else
 HTTP/1.1 200 OK swsclose
 Date: Tue, 09 Nov 2010 14:49:00 GMT
-%endif
 </datacheck>
 </reply>
 
@@ -51,15 +48,9 @@ User-Agent: curl/%VERSION
 Accept: */*
 
 </protocol>
-
-# Hyper curl returns unsupported protocol
-# built-in curl returns weird_server_reply
+# weird_server_reply
 <errorcode>
-%if hyper
-1
-%else
 8
-%endif
 </errorcode>
 </verify>
 </testcase>