Remove the "feature term" test now that we use TERM=xterm

bin/varnishtest/tests/u00008.vtc

 varnishtest	"trivial run of varnistat in curses mode"
 
-feature term
-
 server s1 -repeat 4 {
 	rxreq
 	txresp

bin/varnishtest/tests/u00009.vtc

 varnishtest	"trivial run of varnishhist in curses mode"
 
-feature term
-
 server s1 {
 	rxreq
 	txresp

bin/varnishtest/tests/u00010.vtc

 varnishtest	"trivial run of varnishtop in curses mode"
 
-feature term
-
 server s1 {
 	rxreq
 	txresp

bin/varnishtest/tests/u00011.vtc

 varnishtest	"trivial run of varnishadm in curses mode"
 
-feature term
-
 server s1 {
 	rxreq
 	txresp

bin/varnishtest/tests/u00012.vtc

 varnishtest	"trivial run of varnishadm in pass mode"
 
-feature term
-
 server s1 {
 	rxreq
 	txresp

bin/varnishtest/vtc_misc.c

@@ -341,8 +341,6 @@ cmd_delay(CMD_ARGS)
  * ignore_unknown_macro
  *        Do not fail the test if a string of the form ${...} is not
  *        recognized as a macro.
- * term
- *        Support for ansi.sys terminal
  *
  * persistent_storage
  *        Varnish was built with the deprecated persistent storage.
@@ -358,23 +356,6 @@ static const unsigned with_persistent_storage = 1;
 static const unsigned with_persistent_storage = 0;
 #endif
 
-static int
-test_term(struct vtclog *vl)
-{
-	FILE *p;
-	int a, b;
-
-	p = popen("tput -T ansi.sys clear 2>&1", "r");
-	if (p == NULL)
-		return (0);
-	a = fgetc(p);
-	b = fgetc(p);
-	if (a == 0x1b && b == '[')
-		return (1);
-	vtc_log(vl, 3, "No 'ansi.sys' terminfo entry.");
-	return (0);
-}
-
 void v_matchproto_(cmd_f)
 cmd_feature(CMD_ARGS)
 {
@@ -423,7 +404,6 @@ cmd_feature(CMD_ARGS)
 		FEATURE("user_varnish", getpwnam("varnish") != NULL);
 		FEATURE("user_vcache", getpwnam("vcache") != NULL);
 		FEATURE("group_varnish", getgrnam("varnish") != NULL);
-		FEATURE("term", test_term(vl));
 		FEATURE("persistent_storage", with_persistent_storage);
 
 		if (!strcmp(*av, "disable_aslr")) {