remove obsolete tests. the respective extensions are now built unconditionally

diff --git a/extensions/.CLASSIFY-test b/extensions/.CLASSIFY-test
deleted file mode 100755 (executable)
index 7dde309..0000000
--- a/extensions/.CLASSIFY-test
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_CLASSIFY.c ] && echo CLASSIFY
-

diff --git a/extensions/.CONNMARK-test b/extensions/.CONNMARK-test
deleted file mode 100755 (executable)
index a513759..0000000
--- a/extensions/.CONNMARK-test
+++ /dev/null
@@ -1,2 +0,0 @@
-#! /bin/sh
-[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_CONNMARK.c ] && echo CONNMARK

diff --git a/extensions/.connmark-test b/extensions/.connmark-test
deleted file mode 100755 (executable)
index 80d437b..0000000
--- a/extensions/.connmark-test
+++ /dev/null
@@ -1,2 +0,0 @@
-#! /bin/sh
-[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_connmark.c ] && echo connmark

diff --git a/extensions/.iprange-test b/extensions/.iprange-test
deleted file mode 100755 (executable)
index 6be51c4..0000000
--- a/extensions/.iprange-test
+++ /dev/null
@@ -1,2 +0,0 @@
-#! /bin/sh
-[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_iprange.h ] && echo iprange

diff --git a/extensions/.realm-test b/extensions/.realm-test
deleted file mode 100755 (executable)
index 9eae97d..0000000
--- a/extensions/.realm-test
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-# True if nth is applied.
-[ -f $KERNEL_DIR/include/linux/netfilter_ipv4/ipt_realm.h ] && echo realm