test: 10-misc-directives.t is not considering log anymore

In this case the new server name is expected to be logged, only in the Apache
version or the debug version of Nginx. The test is still valid, in the sense
that it is checking for the server response, expecting the new "Server:"
header.

tests/regression/config/10-misc-directives.t

@@ -33,9 +33,6 @@
 	conf => qq(
 		SecServerSignature "NewServerSignature"
 	),
-	match_log => {
-		error => [ qr/NewServerSignature/, 1 ],
-	},
 	match_response => {
 		status => qr/^200$/,
 		raw => qr/^Server: +NewServerSignature$/m,