libtpl: remove unnecessary autoreconf options

The default $(PKG)_AUTORECONF_OPT already includes the -i and -f flags,
so there is no point in specifying these in the package makefile.

Signed-off-by: Simon Dawson <spdawson@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libtpl/libtpl.mk

@@ -11,7 +11,6 @@ LIBTPL_LICENSE = BSD-like
 LIBTPL_LICENSE_FILES = LICENSE
 
 LIBTPL_AUTORECONF = YES
-LIBTPL_AUTORECONF_OPT = --install --force
 
 define LIBTPL_CREATE_MISSING_FILES
 	touch $(@D)/NEWS $(@D)/AUTHORS $(@D)/ChangeLog $(@D)/COPYING