fix contrib/build-linux/appimage/build.sh

contrib/build-linux/appimage/build.sh

@@ -54,7 +54,7 @@ if [ ! -z "$ELECBUILD_COMMIT" ] ; then  # fresh clone (reproducible build)
         sudo chown -R 1000:1000 "$FRESH_CLONE"
     fi
 fi
-docker run -it \
+docker run \
     --name electrum-appimage-builder-cont \
     -v "$PROJECT_ROOT_OR_FRESHCLONE_ROOT":/opt/electrum \
     --rm \