[NTOS:KD] Remove some _WINDK_ usages

- Always include kd64.h
- Change KdpPrompt() prototype to be compatible between KDBG and _WINDK_
- Rename KdComponentTable to KdpComponentTable to prevent a conflict
- Add some functions stubs and global variables

ntoskrnl/include/internal/kd.h

@@ -189,16 +189,6 @@ KdpPrintString(
     _In_ ULONG Length,
     _In_ KPROCESSOR_MODE PreviousMode);
 
-ULONG
-NTAPI
-KdpPrompt(
-    _In_reads_bytes_(InStringLength) PCHAR UnsafeInString,
-    _In_ USHORT InStringLength,
-    _Out_writes_bytes_(OutStringLength) PCHAR UnsafeOutString,
-    _In_ USHORT OutStringLength,
-    _In_ KPROCESSOR_MODE PreviousMode
-);
-
 BOOLEAN
 NTAPI
 KdpDetectConflicts(PCM_RESOURCE_LIST DriverList);

ntoskrnl/include/internal/ntoskrnl.h

@@ -61,11 +61,7 @@
 #include "po.h"
 #include "se.h"
 #include "ldr.h"
-#ifndef _WINKD_
-#include "kd.h"
-#else
 #include "kd64.h"
-#endif
 #include "fsrtl.h"
 #include "lpc.h"
 #include "rtl.h"