Revert "Move MSI MS-4144 into dev branch"

This reverts commit f4fadfe22e.

src/machine/CMakeLists.txt

@@ -40,7 +40,3 @@ endif()
 if(OPEN_AT)
     target_compile_definitions(mch PRIVATE USE_OPEN_AT)
 endif()
-
-if(MS4144)
-    target_compile_definitions(mch PRIVATE USE_MS4144)
-endif()

src/machine/m_at_386dx_486.c

@@ -1045,7 +1045,7 @@ machine_at_4dps_init(const machine_t *model)
 
     return ret;
 }
-#if defined(DEV_BRANCH) && defined(USE_MS4144)
+
 int
 machine_at_ms4144_init(const machine_t *model)
 {
@@ -1072,7 +1072,7 @@ machine_at_ms4144_init(const machine_t *model)
 
     return ret;
 }
-#endif
+
 int
 machine_at_486sp3c_init(const machine_t *model)
 {

src/machine/machine_table.c

@@ -7783,7 +7783,6 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
-#if defined(DEV_BRANCH) && defined(USE_MS4144)
     /* AMIKEY-2 */
     {
         .name = "[SiS 496] MSI MS-4144",
@@ -7824,7 +7823,6 @@ const machine_t machines[] = {
         .snd_device = NULL,
         .net_device = NULL
     },
-#endif
     /* This has the UMC 88xx on-chip KBC. */
     {
         .name = "[UMC 8881] A-Trend ATC-1415",