Remove export of include/linux/isdn/tpam.h

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/linux/isdn/Kbuild b/include/linux/isdn/Kbuild
index c1727c8..991cdb2 100644
--- a/include/linux/isdn/Kbuild
+++ b/include/linux/isdn/Kbuild
@@ -1 +1 @@
-header-y += capicmd.h tpam.h
+header-y += capicmd.h