Revert some changes from cc69609 (#2073)

docs/meta/brand.md

@@ -20,5 +20,3 @@ Additional branding guidelines can be found at [github.com/privacyguides/brand](
 "Privacy Guides" and the shield logo are trademarks owned by Jonah Aragon, unlimited usage is granted to the Privacy Guides project.
 
 Without waiving any of its rights, Privacy Guides does not advise others on the scope of its intellectual property rights. Privacy Guides does not permit or consent to any use of its trademarks in any manner that is likely to cause confusion by implying association with or sponsorship by Privacy Guides. If you are aware of any such use, please contact Jonah Aragon at jonah@privacyguides.org. Consult your legal counsel if you have questions.
-
---8<-- "includes/abbreviations.en.txt"

docs/meta/git-recommendations.md

@@ -43,5 +43,3 @@ If you are working on your own branch, run these commands before submitting a PR
 git fetch origin
 git rebase origin/main
 ```
-
---8<-- "includes/abbreviations.en.txt"

docs/meta/uploading-images.md

@@ -87,5 +87,3 @@ scour --set-precision=5 \
       --protect-ids-noninkscape \
       input.svg output.svg
 ```
-
---8<-- "includes/abbreviations.en.txt"

docs/meta/writing-style.md

@@ -85,5 +85,3 @@ Source: [plainlanguage.gov](https://www.plainlanguage.gov/guidelines/conversatio
 > - “must not” for a prohibition
 > - “may” for a discretionary action
 > - “should” for a recommendation
-
---8<-- "includes/abbreviations.en.txt"