Try to fix meteor-1.8 snap build.

snapcraft.yaml

@@ -65,7 +65,7 @@ apps:
 
 parts:
     mongodb:
-        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1604-3.2.22.tgz
+        source: https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1804-4.0.7.tgz
         plugin: dump
         stage-packages: [libssl1.0.0]
         filesets:
@@ -206,7 +206,7 @@ parts:
             cp -r .build/bundle/* $SNAPCRAFT_PART_INSTALL/
             cp .build/bundle/.node_version.txt $SNAPCRAFT_PART_INSTALL/
             rm $SNAPCRAFT_PART_INSTALL/lib/node_modules/wekan
-            rm $SNAPCRAFT_PART_INSTALL/programs/server/npm/node_modules/meteor/rajit_bootstrap3-datepicker/lib/bootstrap-datepicker/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs
+            #rm $SNAPCRAFT_PART_INSTALL/programs/server/npm/node_modules/meteor/rajit_bootstrap3-datepicker/lib/bootstrap-datepicker/node_modules/phantomjs-prebuilt/lib/phantom/bin/phantomjs
         organize:
             README: README.wekan
         prime: