general: Remove lingering references to Helix

Support for Helix has been dropped long ago; it's very unlikely to return.
See also de4280ea209d567eedfa08084da0dea761ad5917.

dtool/src/parser-inc/MainHelix.h

@@ -1,9 +0,0 @@
-#ifndef MAINHELIX_H
-#define MAINHELIX_H
-
-// This file is a stub header file.
-class DLLAccess {};
-class IHXClientEngine {};
-class IHXPlayer {};
-
-#endif

dtool/src/parser-inc/hxcom.h

@@ -1,6 +0,0 @@
-#ifndef HXCOM_H
-#define HXCOM_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxcomm.h

@@ -1,6 +0,0 @@
-#ifndef HXCOMM_H
-#define HXCOMM_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxcore.h

@@ -1,6 +0,0 @@
-#ifndef HXCORE_H
-#define HXCORE_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxengin.h

@@ -1,6 +0,0 @@
-#ifndef HXENGIN_H
-#define HXENGIN_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxerror.h

@@ -1,6 +0,0 @@
-#ifndef HXERROR_H
-#define HXERROR_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxfiles.h

@@ -1,6 +0,0 @@
-#ifndef HXFILES_H
-#define HXFILES_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxtbuf.h

@@ -1,6 +0,0 @@
-#ifndef HXTBUF_H
-#define HXTBUF_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxtbuff.h

@@ -1,6 +0,0 @@
-#ifndef HXTBUFF_H
-#define HXTBUFF_H
-
-// This file is a stub header file.
-
-#endif

dtool/src/parser-inc/hxwin.h

@@ -1,6 +0,0 @@
-#ifndef HXWIN_H
-#define HXWIN_H
-
-// This file is a stub header file.
-
-#endif

panda/src/pandabase/pandasymbols.h

@@ -429,7 +429,4 @@
 #define EXPCL_PANDA_PANDABASE EXPCL_PANDA
 #define EXPTP_PANDA_PANDABASE EXPTP_PANDA
 
-#define EXPCL_PANDA_HELIX EXPCL_PANDA
-#define EXPTP_PANDA_HELIX EXPTP_PANDA
-
 #endif