Do not use schemaVersion value in version to avoid confusion

Author: sleshchenko

docs/modules/user-guide/partials/proc_adding-projects-to-a-devfile.adoc

@@ -23,7 +23,7 @@ This section describes how to add one or more projects to a devfile.
 schemaVersion: 2.1.0
 metadata:
   name: petclinic-dev-environment
-  version: 2.0.0
+  version: 1.0.0
 projects:
   - name: petclinic
     git:
@@ -41,7 +41,7 @@ projects:
 schemaVersion: 2.1.0
 metadata:
   name: example-devfile
-  version: 2.0.0
+  version: 1.0.0
 projects:
 - name: frontend
   git: