chore: drop SwiftFormat and use swift-format from Apple (#562)

Author: Guilherme Souza

.swiftformat

@@ -149,11 +149,12 @@ build-example:
 		-destination platform="$(PLATFORM_IOS)" \
 		-derivedDataPath ~/.derivedData | xcpretty;
 
+
 format:
-	@swiftformat .
+	@swift format -i -r --ignore-unparsable-files .
 
-.PHONY: test-library test-linux build-example format
+.PHONY: test-library test-linux build-example
 
 define udid_for
 $(shell xcrun simctl list devices available '$(1)' | grep '$(2)' | sort -r | head -1 | awk -F '[()]' '{ print $$(NF-3) }')
-endef
+endef