[NTOS:KD] Remove GDB stubs

drivers/base/kdgdb/ should be used instead.

Author: hpoussin

ntoskrnl/include/internal/kd.h

@@ -6,7 +6,6 @@
 // Kernel Debugger Port Definition
 //
 struct _KD_DISPATCH_TABLE;
-extern CPPORT GdbPortInfo;
 
 BOOLEAN
 NTAPI
@@ -161,12 +160,6 @@ KdpBochsInit(
     ULONG BootPhase
 );
 
-VOID
-NTAPI
-KdpGdbStubInit(
-    struct _KD_DISPATCH_TABLE *DispatchTable,
-    ULONG BootPhase);
-
 VOID
 NTAPI
 KdpKdbgInit(
@@ -228,7 +221,6 @@ typedef struct _KDP_DEBUG_MODE
 
             /* Currently Supported Wrappers */
             UCHAR Pice   :1;
-            UCHAR Gdb    :1;
         };
 
         /* Generic Value */

ntoskrnl/kd/amd64/kd.c

@@ -106,19 +106,6 @@ KdpGetDebugMode(PCHAR Currentp2)
         p2 += 5;
         KdpDebugMode.Bochs = TRUE;
     }
-    /* Check for GDB Debugging */
-    else if (!_strnicmp(p2, "GDB", 3))
-    {
-        /* Enable it */
-        p2 += 3;
-        KdpDebugMode.Gdb = TRUE;
-
-        /* Enable Debugging */
-        KdDebuggerNotPresent = FALSE;
-        KdDebuggerEnabled = TRUE;
-        SharedUserData->KdDebuggerEnabled = TRUE;
-        WrapperInitRoutine = KdpGdbStubInit;
-    }
     /* Check for PICE Debugging */
     else if (!_strnicmp(p2, "PICE", 4))
     {