Cleanup HL subsystem headers

sdk/xtdk/hlfuncs.h

@@ -14,34 +14,12 @@
 #include <xttypes.h>
 
 
-/* HAL library routines forward references */
-XTAPI
-VOID
-HlClearScreen(VOID);
-
-XTCDECL
-XTSTATUS
-HlComPortGetByte(IN PCPPORT Port,
-                 OUT PUCHAR Byte,
-                 IN BOOLEAN Wait,
-                 IN BOOLEAN Poll);
-
+/* Routines used by XTLDR */
 XTCDECL
 XTSTATUS
 HlComPortPutByte(IN PCPPORT Port,
                  IN UCHAR Byte);
 
-XTCDECL
-UCHAR
-HlComPortReadLsr(IN PCPPORT Port,
-                 IN UCHAR Byte);
-
-XTAPI
-VOID
-HlDrawPixel(IN ULONG PosX,
-            IN ULONG PosY,
-            IN ULONG Color);
-
 XTCDECL
 XTSTATUS
 HlInitializeComPort(IN OUT PCPPORT Port,
@@ -49,8 +27,4 @@ HlInitializeComPort(IN OUT PCPPORT Port,
                     IN PUCHAR PortAddress,
                     IN ULONG BaudRate);
 
-XTAPI
-XTSTATUS
-HlInitializeDisplay(VOID);
-
 #endif /* __XTDK_HLFUNCS_H */