Tests: removed proxy prerequisite from grpc tests.
diff --git a/grpc.t b/grpc.t
index 96de557..0e71b32 100644
--- a/grpc.t
+++ b/grpc.t
@@ -23,7 +23,7 @@
select STDERR; $| = 1;
select STDOUT; $| = 1;
-my $t = Test::Nginx->new()->has(qw/http proxy rewrite http_v2 grpc/)
+my $t = Test::Nginx->new()->has(qw/http rewrite http_v2 grpc/)
->has(qw/upstream_keepalive/);
$t->write_file_expand('nginx.conf', <<'EOF');
diff --git a/grpc_ssl.t b/grpc_ssl.t
index 6be1e4e..77027e8 100644
--- a/grpc_ssl.t
+++ b/grpc_ssl.t
@@ -23,7 +23,7 @@
select STDERR; $| = 1;
select STDOUT; $| = 1;
-my $t = Test::Nginx->new()->has(qw/http proxy rewrite http_v2 grpc/)
+my $t = Test::Nginx->new()->has(qw/http rewrite http_v2 grpc/)
->has(qw/upstream_keepalive http_ssl/);
$t->{_configure_args} =~ /OpenSSL ([\d\.]+)/;