remove todo's

CONTRIBUTING.md

@@ -1,30 +1,3 @@
-```{todo} THIS IS SUPPOSED TO BE AN EXAMPLE. MODIFY IT ACCORDING TO YOUR NEEDS!
-
-   The document assumes you are using a source repository service that promotes a
-   contribution model similar to [GitHub's fork and pull request workflow].
-   While this is true for the majority of services (like GitHub, GitLab,
-   BitBucket), it might not be the case for private repositories (e.g., when
-   using Gerrit).
-
-   Also notice that the code examples might refer to GitHub URLs or the text
-   might use GitHub specific terminology (e.g., *Pull Request* instead of *Merge
-   Request*).
-
-   Please make sure to check the document having these assumptions in mind
-   and update things accordingly.
-```
-
-```{todo} Provide the correct links/replacements at the bottom of the document.
-```
-
-```{todo} You might want to have a look on [PyScaffold's contributor's guide],
-
-   especially if your project is open source. The text should be very similar to
-   this template, but there are a few extra contents that you might decide to
-   also include, like mentioning labels of your issue tracker or automated
-   releases.
-```
-
 # Contributing
 
 Welcome to `xtal2png` contributor's guide.
@@ -174,9 +147,6 @@ conda activate xtal2png
 
    to be able to import the package under development in the Python REPL.
 
-   ```{todo} if you are not using pre-commit, please remove the following item:
-   ```
-
 5. Install [pre-commit]:
 
    ```
@@ -211,9 +181,6 @@ conda activate xtal2png
 
    to record your changes in [git].
 
-   ```{todo} if you are not using pre-commit, please remove the following item:
-   ```
-
    Please make sure to see the validation messages from [pre-commit] and fix
    any eventual issues.
    This should automatically use [flake8]/[black] to check/fix the code style
@@ -255,13 +222,10 @@ conda activate xtal2png
 2. Go to the web page of your fork and click "Create pull request"
    to send your changes for review.
 
-   ```{todo} if you are using GitHub, you can uncomment the following paragraph
 
-      Find more detailed information in [creating a PR]. You might also want to open
-      the PR as a draft first and mark it as ready for review after the feedbacks
-      from the continuous integration (CI) system or any required fixes.
-
-   ```
+   Find more detailed information in [creating a PR]. You might also want to open
+   the PR as a draft first and mark it as ready for review after the feedbacks
+   from the continuous integration (CI) system or any required fixes.
 
 ### Troubleshooting
 
@@ -320,12 +284,6 @@ package:
 
 ### Releases
 
-```{todo} This section assumes you are using PyPI to publicly release your package.
-
-   If instead you are using a different/private package index, please update
-   the instructions accordingly.
-```
-
 If you are part of the group of maintainers and have correct user permissions
 on [PyPI], the following steps can be used to release a new version for
 `xtal2png`: