all: Rename *umodule*.c to remove the "u" prefix.

Updates any includes, and references from Makefiles/CMake.

This essentially reverts what was done long ago in commit
136b5cbd76

This work was funded through GitHub Sponsors.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

ports/unix/Makefile

@@ -201,7 +201,7 @@ SRC_C += \
 	mpthreadport.c \
 	input.c \
 	modmachine.c \
-	moduselect.c \
+	modselect.c \
 	alloc.c \
 	fatfs_port.c \
 	mpbthciport.c \
@@ -210,7 +210,7 @@ SRC_C += \
 	mpbtstackport_usb.c \
 	mpnimbleport.c \
 	modtermios.c \
-	modusocket.c \
+	modsocket.c \
 	modffi.c \
 	modjni.c \
 	$(wildcard $(VARIANT_DIR)/*.c)

ports/unix/variants/mpconfigvariant_common.h

@@ -87,7 +87,7 @@
 #define MICROPY_PY_SYS_EXC_INFO        (1)
 
 // Configure the "os" module with extra unix features.
-#define MICROPY_PY_OS_INCLUDEFILE      "ports/unix/moduos.c"
+#define MICROPY_PY_OS_INCLUDEFILE      "ports/unix/modos.c"
 #define MICROPY_PY_OS_ERRNO            (1)
 #define MICROPY_PY_OS_GETENV_PUTENV_UNSETENV (1)
 #define MICROPY_PY_OS_SEP              (1)
@@ -98,7 +98,7 @@
 #define MICROPY_PY_TIME                (1)
 #define MICROPY_PY_TIME_TIME_TIME_NS   (1)
 #define MICROPY_PY_TIME_CUSTOM_SLEEP   (1)
-#define MICROPY_PY_TIME_INCLUDEFILE    "ports/unix/modutime.c"
+#define MICROPY_PY_TIME_INCLUDEFILE    "ports/unix/modtime.c"
 
 // Enable the utimeq module used by the previous (v2) version of uasyncio.
 #define MICROPY_PY_TIMEQ               (1)