package/polarssl: cleanup configure options

Test build is already disabled by the cmake-package infrastructure.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/polarssl/polarssl.mk

@@ -8,7 +8,6 @@ POLARSSL_SITE = https://polarssl.org/code/releases
 POLARSSL_VERSION = 1.2.11
 POLARSSL_SOURCE = polarssl-$(POLARSSL_VERSION)-gpl.tgz
 POLARSSL_CONF_OPTS = \
-	-DBUILD_TESTS=OFF \
 	-DENABLE_PROGRAMS=$(if $(BR2_PACKAGE_POLARSSL_PROGRAMS),ON,OFF)
 
 POLARSSL_INSTALL_STAGING = YES