Revert "Make sure the build can be interrupted with CTRL-C."

This reverts commit 4a578fe.

This fixes build on docker hub.

Author: jlesage

makemkv-builder/run.sh

@@ -2,7 +2,7 @@
 SCRIPT_DIR="$(readlink -f "$(dirname "$0")")"
 BUILDER_DOCKER_IMAGE="ubuntu:xenial"
 
-exec docker run --rm -ti \
+exec docker run --rm \
     -v "$SCRIPT_DIR:/output" \
     -v "$SCRIPT_DIR/builder:/builder:ro" \
     "$BUILDER_DOCKER_IMAGE" /builder/build.sh /output