Merge pull request #894 from github/remove-Your-First-GitHub-Pull-Request-

remove collection item "Your First GitHub Pull Request"

Author: Damon Maneice

collections/choosing-projects/index.md

@@ -5,7 +5,6 @@ items:
  - hoodiehq/hoodie
  - beeware/batavia
  - Homebrew/brew
- - https://www.youtube.com/embed/dSl_qnWO104
 display_name: How to choose (and contribute to) your first open source project
 created_by: kytrinyx
 ---

collections/clean-code-linters/index.md

@@ -11,7 +11,7 @@ items:
  - CSSLint/csslint
  - PyCQA/pycodestyle
  - PyCQA/flake8
- - python/black
+ - psf/black
  - checkstyle/checkstyle
  - rubocop-hq/rubocop
  - oclint/oclint

collections/programming-languages/index.md

@@ -31,7 +31,7 @@ items:
 - idris-lang/Idris-dev
 - ocaml/ocaml
 - typelead/eta
-- nulang/nu
+- programming-nu/nu
 - gkz/LiveScript
 - IoLanguage/io
 - dlang/dmd

collections/social-impact/index.md

@@ -11,7 +11,6 @@ items:
  - hurricane-response/florence-api
  - rubyforgood/terrastories
  - rubyforgood/diaper
- - rubyforgood/diaperpartner
  - rubyforgood/playtime
  - rubyforgood/demand-progress
  - ebimodeling/ghgvc