Fix tool profile details in schema docs

[nsoranzo]

What did you do?

• Fix tool profile details in schema docs by moving it from the attributes table to the main description.

Why did you make this change?

Per the GitHub Flavored Markdown Spec: "Block-level elements cannot be inserted in a table.", see https://github.github.com/gfm/#tables-extension-

How to test the changes?

(select the most appropriate option; if the latter, provide steps for testing below)

• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. GALAXY_DOCS_SKIP_SOURCE=1 make -C doc/ html
  2. xdg-open doc/build/html/dev/schema.html
  3. Check the tool profile documentation

License

• I agree to license these contributions under Galaxy's current license.
• I agree to allow the Galaxy committers to license these and all my past contributions to the core galaxy codebase under the MIT license. If this condition is an issue, uncheck and just let us know why with an e-mail to galaxy-committers@lists.galaxyproject.org.

[bernt-matthias]

Excellent, I was thinking about the same just today :)