Remove FS_DeletePath() and Sys_Rmdir()

Thise functions where added with the filesystem rewrite but never used.
Removing them saves us from implementing Sys_Rmdir() for Windows.

src/common/filesystem.c

@@ -257,14 +257,6 @@ FS_Gamedir(void)
 	return (fs_gamedir);
 }
 
-void
-FS_DeletePath(char *path)
-{
-	FS_DPrintf("FS_DeletePath(%s)\n", path);
-
-	Sys_Rmdir(path);
-}
-
 /*
  * Returns a FILE * for a fileHandle_t.
  */

src/common/header/common.h

@@ -648,7 +648,6 @@ qboolean	FS_FileExists(char *path);
 void		FS_CopyFile(const char *srcPath, const char *dstPath);
 void		FS_RenameFile(const char *oldPath, const char *newPath);
 void		FS_DeleteFile(const char *path);
-void		FS_DeletePath(char *path);
 int			FS_GetFileList(const char *path, const char *extension, char *buffer, int size, fsSearchType_t searchType);
 char		**FS_ListPak(char *find, int *num);	/* Knighmare- pak list function */
 char		**FS_ListFiles(char *findname, int *numfiles, unsigned musthave, unsigned canthave);

src/common/header/shared.h

@@ -249,7 +249,6 @@ extern int curtime; /* time returned by last Sys_Milliseconds */
 
 int Sys_Milliseconds(void);
 void Sys_Mkdir(char *path);
-void Sys_Rmdir(char *path);
 char *strlwr(char *s);
 
 /* large block stack allocation routines */

src/unix/system.c

@@ -120,12 +120,6 @@ Sys_Mkdir ( char *path )
 	mkdir( path, 0755 );
 }
 
-void
-Sys_Rmdir ( char *path )
-{
-	rmdir( path );
-}
-
 char *
 Sys_GetCurrentDirectory ( void )
 {