Try to fix Snap.

snapcraft.yaml

@@ -226,6 +226,8 @@ parts:
             rm -f $SNAPCRAFT_PART_INSTALL/programs/server/npm/node_modules/tar/lib/.mkdir.js.swp
             rm -f $SNAPCRAFT_PART_INSTALL/lib/node_modules/node-pre-gyp/node_modules/tar/lib/.mkdir.js.swp
             rm -f $SNAPCRAFT_PART_INSTALL/lib/node_modules/node-gyp/node_modules/tar/lib/.mkdir.js.swp
+            # Meteor 1.8.x additional .swp remove
+            rm -f $SNAPCRAFT_PART_INSTALL/programs/server/node_modules/node-pre-gyp/node_modules/tar/lib/.mkdir.js.swp
 
         organize:
             README: README.wekan