Fix redundant "capitalize" filter in section.html.twig [#3378609]

Problem/Motivation

We need to remove the "capitalize" filter on the main section.html.twig so that you can omit the title key/value from the main glossary array and keep backwards compatibility intact.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes

Issue fork bootstrap_ui_kit-3378609

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3378609-fix-redundant-capitalize changes, plain diff MR !4
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