jenkins: drop unused build matrix vars, always --enable-smpp

Change-Id: I24fbc756e79bbf25fc37dbf9b2c573972e712c7e
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index a7313c5..284679d 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -47,11 +47,11 @@
 
 cd "$base"
 autoreconf --install --force
-./configure --enable-osmo-bsc --enable-nat $SMPP $MGCP $IU --enable-vty-tests --enable-external-tests
+./configure --enable-smpp $IU --enable-vty-tests --enable-external-tests
 $MAKE $PARALLEL_MAKE
 LD_LIBRARY_PATH="$inst/lib" $MAKE check \
   || cat-testlogs.sh
 LD_LIBRARY_PATH="$inst/lib" \
-  DISTCHECK_CONFIGURE_FLAGS="--enable-osmo-bsc --enable-nat $SMPP $MGCP $IU --enable-vty-tests --enable-external-tests" \
+  DISTCHECK_CONFIGURE_FLAGS="--enable-smpp $IU --enable-vty-tests --enable-external-tests" \
   $MAKE distcheck \
   || cat-testlogs.sh