Remove tomlc99's original Makefile because we don't use it

third_party/tomlc99/Makefile

@@ -1,50 +0,0 @@
-prefix ?= /usr/local
-HFILES = toml.h
-CFILES = toml.c
-OBJ = $(CFILES:.c=.o)
-EXEC = toml_json toml_cat toml_sample
-PCFILE = libtoml.pc
-
-CFLAGS = -std=c99 -Wall -Wextra -fpic
-LIB_VERSION = 1.0
-LIB = libtoml.a
-LIB_SHARED = libtoml.so.$(LIB_VERSION)
-
-# to compile for debug: make DEBUG=1
-# to compile for no debug: make
-ifdef DEBUG
-    CFLAGS += -O0 -g
-else
-    CFLAGS += -O2 -DNDEBUG
-endif
-
-
-all: $(LIB) $(LIB_SHARED) $(EXEC)
-
-*.o: $(HFILES)
-
-libtoml.a: toml.o
-	ar -rcs $@ $^
-
-libtoml.so.$(LIB_VERSION): toml.o
-	$(CC) -shared -o $@ $^
-
-$(EXEC): $(LIB)
-
-install: all
-	install -d ${prefix}/include ${prefix}/lib
-	install toml.h ${prefix}/include
-	install $(LIB) ${prefix}/lib
-	install $(LIB_SHARED) ${prefix}/lib
-ifeq "$(prefix)" "/usr/local"
-	install $(PCFILE) /usr/local/lib/pkgconfig
-endif
-
-clean:
-	rm -f *.o $(EXEC) $(LIB) $(LIB_SHARED)
-
-
-format:
-	clang-format -i $(shell find . -name '*.[ch]')
-
-.PHONY: all clean install format