Remove some whitespace to make formatting more consistent

There were sometimes two blank lines instead of one between makefile targets,
without any clear pattern.  Now each one is separated from the next by one blank
line.

Signed-off-by: Michael Richters <gedankenexperimenter@gmail.com>

Makefile

@@ -36,15 +36,12 @@ ifneq ($(TEST_PATH),)
 TEST_PATH_ARG="TEST_PATH='$(TEST_PATH)'"
 endif
 
-
 DEFAULT_GOAL: smoke-sketches
 
-
 .PHONY: setup
 setup: $(ARDUINO_CLI_PATH) $(ARDUINO_DIRECTORIES_DATA)/arduino-cli.yaml install-arduino-core-avr install-arduino-core-kaleidoscope $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/avr/boards.txt $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/virtual/boards.txt 
 	@:
 
-
 .PHONY: checkout-platform
 checkout-platform: $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/avr/boards.txt
 	@:
@@ -56,7 +53,6 @@ prepare-virtual: $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/virtual/boards.
 $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/virtual/boards.txt:
 	$(MAKE) -C $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio prepare-virtual
 
-
 $(ARDUINO_DIRECTORIES_USER)/hardware/keyboardio/avr/boards.txt:
 	git clone -c core.symlinks=true \
 		--recurse-submodules \
@@ -110,7 +106,6 @@ build-gtest-gmock:
 find-filename-conflicts:
 	bin/find-filename-conflicts.py src plugins/*
 
-
 .PHONY: format
 format:
 	bin/format-code.py \
@@ -145,7 +140,6 @@ SMOKE_SKETCHES := $(sort $(shell if [ -d ./examples ]; then find ./examples -typ
 smoke-sketches: $(SMOKE_SKETCHES)
 	@echo "Smoke-tested all the sketches"
 
-
 .PHONY: clean
 clean: 
 	$(MAKE) -C tests clean
@@ -156,7 +150,6 @@ clean:
 $(SMOKE_SKETCHES): force
 	$(MAKE) -C $@ -f $(KALEIDOSCOPE_ETC_DIR)/makefiles/sketch.mk compile
 
-
 build-arduino-nightly-package:
 	perl bin/build-arduino-package \
 		--kaleidoscope-tag=master \

tests/Makefile

@@ -37,17 +37,12 @@ TESTS		:= $(shell cd $(tests_dir); find ${TEST_PATH} -name '*.ino' -exec dirname
 # The clutter up the test output on Make 4.0 and newer
 MAKEFLAGS += --no-print-directory
 
-
 include $(top_dir)/etc/makefiles/arduino-cli.mk
 
 # If we start off in tests to run make all, the sketch makefiles guess the wrong location for
 # Kaliedoscope's makefiles
-
 KALEIDOSCOPE_ETC_DIR ?= $(top_dir)/etc
 
-
-
-
 .PHONY: all
 all: ${libcommon_a} googletest ${TESTS} 
 	@:
@@ -64,8 +59,6 @@ run-all: ${TESTS}
 	done; \
 	if [ -n $${ERROR} ]; then exit $${ERROR}; fi
 
-
-
 .PHONY: clean
 clean: cmake-clean
 	@for test in ${TESTS}; do \