tools,src: remove clang-format

.gitignore

@@ -8,7 +8,6 @@
 # Exclude specific dotfiles that we want to track.
 !deps/**/.*
 !test/fixtures/**/.*
-!.clang-format
 !.cpplint
 !.editorconfig
 !.eslintignore
@@ -111,7 +110,6 @@ tools/*/*.i.tmp
 !**/node_modules/**
 /node_modules
 /tools/doc/node_modules
-/tools/clang-format/node_modules
 
 # === Rules for test artifacts ===
 /*.tap

Makefile

@@ -1414,36 +1414,6 @@ LINT_CPP_FILES = $(filter-out $(LINT_CPP_EXCLUDE), $(wildcard \
 # and the actual filename is generated so it won't match header guards
 ADDON_DOC_LINT_FLAGS=-whitespace/ending_newline,-build/header_guard
 
-.PHONY: format-cpp-build
-format-cpp-build:
-	cd tools/clang-format && $(call available-node,$(run-npm-ci))
-
-.PHONY: format-cpp-clean
-.NOTPARALLEL: format-cpp-clean
-format-cpp-clean:
-	$(RM) -r tools/clang-format/node_modules
-
-CLANG_FORMAT_START ?= HEAD
-.PHONY: format-cpp
-# To format staged changes:
-#  $ make format-cpp
-# To format HEAD~1...HEAD (latest commit):
-#  $ CLANG_FORMAT_START=`git rev-parse HEAD~1` make format-cpp
-# To format diff between master and current branch head (master...HEAD):
-#  $ CLANG_FORMAT_START=master make format-cpp
-format-cpp: ## Format C++ diff from $CLANG_FORMAT_START to current changes
-ifneq ("","$(wildcard tools/clang-format/node_modules/)")
-	$(info Formatting C++ diff from $(CLANG_FORMAT_START)..)
-	@$(PYTHON) tools/clang-format/node_modules/.bin/git-clang-format \
-		--binary=tools/clang-format/node_modules/.bin/clang-format \
-		--style=file \
-		$(CLANG_FORMAT_START) -- \
-		$(LINT_CPP_FILES)
-else
-	$(info clang-format is not installed.)
-	$(info To install (requires internet access) run: $$ make format-cpp-build)
-endif
-
 ifeq ($(V),1)
 CPPLINT_QUIET =
 else