Fold conv package into fmt

Both packages had nearly identical dependency requirements, so merging
them should help reduce the complexity of the build graph.

libc/log/log.mk

@@ -30,22 +30,21 @@ LIBC_LOG_A_DIRECTDEPS =					\
 	LIBC_ALG					\
 	LIBC_CALLS					\
 	LIBC_CALLS_HEFTY				\
-	LIBC_CONV					\
 	LIBC_ELF					\
 	LIBC_FMT					\
-	LIBC_TINYMATH					\
+	LIBC_MEM					\
 	LIBC_NEXGEN32E					\
 	LIBC_NT_KERNELBASE				\
-	LIBC_MEM					\
+	LIBC_NT_NTDLL					\
 	LIBC_RAND					\
 	LIBC_RUNTIME					\
 	LIBC_STDIO					\
 	LIBC_STR					\
 	LIBC_STUBS					\
-	LIBC_NT_NTDLL					\
-	LIBC_UNICODE					\
 	LIBC_SYSV					\
 	LIBC_TIME					\
+	LIBC_TINYMATH					\
+	LIBC_UNICODE					\
 	THIRD_PARTY_DLMALLOC
 
 LIBC_LOG_A_DEPS :=					\