Remove isort from Makefile to make OSS CI pass again, it was (#368)

Summary:
reformatted internally with black, and that has priority

- [] Added tests, if you've added code that should be tested
- [ ] Updated the documentation, if you've changed APIs
- [ ] Ensured the test suite passes
- [X] Made sure your code lints
- [X] Completed the Contributor License Agreement ("CLA")

Pull Request resolved: #368

Reviewed By: jermenkoo

Differential Revision: D61269377

Pulled By: deathowl

fbshipit-source-id: 402de2fa4c9052de955c5c53c22cf278c1dfc243

Makefile

@@ -122,16 +122,6 @@ black: venv
 	@printf "${TERM_BRIGHT}BLACK ${ALL_SRCS}\n${TERM_NONE}"
 	${Q} ${CURDIR}/venv/bin/black --check --diff $(ALL_SRCS) || { echo "Formatting errors found, try running 'make format'."; exit 1; }
 
-.PHONY: isort
-isort: venv
-	@printf "${TERM_BRIGHT}ISORT ${ALL_SRCS}\n${TERM_NONE}"
-	${Q} ${CURDIR}/venv/bin/isort --check-only --profile black $(ALL_SRCS) || { echo "Formatting errors found, try running 'make format'."; exit 1; }
-
-.PHONY: format_isort
-format_isort: venv
-	@printf "${TERM_BRIGHT}FORMAT PYFMT ${ALL_SRCS}\n${TERM_NONE}"
-	${Q} ${CURDIR}/venv/bin/isort --profile black $(ALL_SRCS)
-
 .PHONY: format_black
 format_black: venv
 	@printf "${TERM_BRIGHT}FORMAT BLACK ${ALL_SRCS}\n${TERM_NONE}"
@@ -144,13 +134,11 @@ tests: \
 	pytest_tests \
 	mypy \
 	flake8 \
-	isort \
 	black \
 	check-copyright
 
 .PHONY: format
 format: \
-    format_isort \
 	format_black
 	@true
 ##

requirements-dev.txt

@@ -2,7 +2,6 @@ black
 coverage
 coveralls
 flake8
-isort~=5.1
 mypy==1.2
 ipython
 sphinx