snapcraft: remove dupe jsonschema

snapcraft.yaml

@@ -71,7 +71,6 @@ parts:
     python-packages:
       - pyyaml==5.3.1
       - oauthlib
-      - jsonschema
       - pyrsistent
       - wheel
       - setuptools
@@ -130,6 +129,7 @@ parts:
       - python3-attr
       - python3-systemd
       - python3-aiohttp
+      - python3-jsonschema
       - python3-yarl
       - python3-urwid
       - python3-bson
@@ -141,6 +141,7 @@ parts:
       - "*"
       - -bin/python
       - -bin/python3
+      - -lib/python3.8/site-packages/jsonschema
     source: .
     source-type: git
     build-environment:
@@ -218,6 +219,7 @@ parts:
       - -lib/python3.8/site-packages/pkg_resources
       - -lib/python3.8/site-packages/setuptools
       - -lib/python3.8/site-packages/wheel*
+      - -lib/python3.8/site-packages/jsonschema
 
   os-prober:
     plugin: nil