make ro flag optional

charts/plex/1.6.17/questions.yaml

@@ -323,5 +323,4 @@ questions:
                 description: "Mount hostpath in read-only mode"
                 schema:
                   type: boolean
-                  required: true
                   default: false

test/plex/1.6.17/questions.yaml

@@ -323,5 +323,4 @@ questions:
                 description: "Mount hostpath in read-only mode"
                 schema:
                   type: boolean
-                  required: true
                   default: false