update environment_variable.private docs

Author: DannyBen

lib/bashly/docs/env.yml

@@ -36,7 +36,7 @@ environment_variable.name:
       help: Your API key
 
 environment_variable.private:
-  help: Specify that this environment variable should not be advertised in the usage text. Only makes sense when accompanied by `default`.
+  help: Specify that this environment variable should not be advertised in the usage text.
   url: https://bashly.dannyb.co/configuration/environment-variable/#private
   example: |-
     environment_variables:

spec/approvals/cli/doc/full

@@ -517,7 +517,7 @@ environment_variable.name
 environment_variable.private
 
   Specify that this environment variable should not be advertised in the usage
-  text. Only makes sense when accompanied by default.
+  text.
 
     environment_variables:
     - name: editor