minor #6964 Fix text editor comment (javiereguiluz)

This PR was merged into the 4.x branch.

Discussion
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Fix text editor comment

Made by 🤖 OpenAI Codex

## Summary
- fix comment in text editor to remove duplicated word

## Testing
- `git status --short`

Commits
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a2c134a Fix comment about trix event

Author: javiereguiluz

assets/js/field-text-editor.js

@@ -7,7 +7,7 @@ import Trix from 'trix/dist/trix.esm';
 window.Trix = Trix;
 
 // Listening to the DOMLoadedContent event is too late because the Trix editor is already initialized.
-// To be sure to handle properly the custom configuration, we have to to listen to the trix-before-initialize event.
+// To be sure to handle properly the custom configuration, we have to listen to the trix-before-initialize event.
 document.addEventListener('trix-before-initialize', () => {
     new TextEditorField();
 });