docs(copilot): remove duplicated preposition

Remove the repeated 'to' from the example feature specification so the sample response reads correctly.

Changes:
- content/copilot/tutorials/copilot-cookbook/analyze-functionality/analyze-feedback.md
  - Correct the duplicated preposition in the example response.

Validation:
- npm run lint-content -- --paths content/copilot/tutorials/copilot-cookbook/analyze-functionality/analyze-feedback.md
- git diff --check

Author: raulkolaric

content/copilot/tutorials/copilot-cookbook/analyze-functionality/analyze-feedback.md

@@ -93,7 +93,7 @@ Write a feature specification for Issue #426.
 # Feature Specification for Issue #426: Shortcut for --with-token CLI option
 
 ## Description:
-Currently, the --with-token option is used to to pass in a token to commands. Typing --with-token each time is cumbersome. This feature proposes a new flag -wt as a shortcut to quickly specify the --with-token option when running various commands.
+Currently, the --with-token option is used to pass in a token to commands. Typing --with-token each time is cumbersome. This feature proposes a new flag -wt as a shortcut to quickly specify the --with-token option when running various commands.
 
 ## Problem:
 Typing --with-token repeatedly is time-consuming and inconvenient for users who frequently use this option.