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/time/strptime.c

@@ -25,7 +25,7 @@
 │  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                      │
 │                                                                              │
 ╚─────────────────────────────────────────────────────────────────────────────*/
-#include "libc/conv/conv.h"
+#include "libc/fmt/conv.h"
 #include "libc/macros.h"
 #include "libc/str/str.h"
 #include "libc/time/struct/tm.h"

libc/time/time.mk

@@ -28,18 +28,17 @@ LIBC_TIME_A_CHECKS =				\
 	$(LIBC_TIME_A_HDRS:%=o/$(MODE)/%.ok)
 
 LIBC_TIME_A_DIRECTDEPS =			\
+	LIBC_CALLS				\
 	LIBC_FMT				\
 	LIBC_MEM				\
-	LIBC_STR				\
-	LIBC_CONV				\
-	LIBC_STUBS				\
-	LIBC_CALLS				\
-	LIBC_RUNTIME				\
 	LIBC_NEXGEN32E				\
-	LIBC_NT_NTDLL				\
 	LIBC_NT_KERNELBASE			\
-	LIBC_SYSV_CALLS				\
+	LIBC_NT_NTDLL				\
+	LIBC_RUNTIME				\
+	LIBC_STR				\
+	LIBC_STUBS				\
 	LIBC_SYSV				\
+	LIBC_SYSV_CALLS				\
 	LIBC_ZIPOS
 
 LIBC_TIME_A_DEPS :=				\

libc/time/times.c

@@ -22,8 +22,8 @@
 #include "libc/calls/struct/rusage.h"
 #include "libc/calls/struct/timeval.h"
 #include "libc/calls/struct/tms.h"
-#include "libc/conv/conv.h"
 #include "libc/dce.h"
+#include "libc/fmt/conv.h"
 #include "libc/nt/accounting.h"
 #include "libc/nt/runtime.h"
 #include "libc/runtime/sysconf.h"