🔥 Remove commented-out extra requirements from development dependencies

Author: bybatkhuu

requirements/requirements.dev.txt

@@ -2,6 +2,5 @@
 # -r ./requirements.test.txt
 # -r ./requirements.build.txt
 # -r ./requirements.docs.txt
-# -r ./requirements.extra.txt
 pyright>=1.1.392,<2.0.0
 pre-commit>=4.0.1,<5.0.0