Amiga: drop #if 0 dead-code blocks

Includes a dead amii_player_selection / RandomWindow pair (~280 lines),
eraseall / CopyFile in amidos.c, and smaller fragments.

sys/amiga/amidos.c

@@ -256,74 +256,6 @@ filesize(char *file)
     return size;
 }
 
-#if 0
-void
-void
-eraseall(const char *path, const char *files)
-{
-    BPTR dirLock, dirLock2;
-    struct FileInfoBlock *fibp;
-    int chklen;
-#if (NH_DEVEL_STATUS != NH_STATUS_RELEASED)
-    if(files != g.alllevels)panic("eraseall");
-#endif
-    chklen=(int)index(files,'*')-(int)files;
-
-    if (dirLock = Lock( (char *)path ,SHARED_LOCK)) {
-	dirLock2=DupLock(dirLock);
-	dirLock2= CurrentDir(dirLock2);
-	fibp=AllocMem(sizeof(struct FileInfoBlock),0);
-	if(fibp){
-	    if(Examine(dirLock,fibp)){
-		while(ExNext(dirLock,fibp)){
-		    if(!strncmp(fibp->fib_FileName,files,chklen)){
-			DeleteFile(fibp->fib_FileName);
-		    }
-		}
-	    }
-	    FreeMem(fibp,sizeof(struct FileInfoBlock));
-	}
-	UnLock(dirLock);
-	UnLock(CurrentDir(dirLock2));
-    }
-}
-#endif
-
-/* This size makes that most files can be copied with two Read()/Write()s */
-
-#if 0 /* Unused */
-#define COPYSIZE 4096
-
-char *CopyFile(const char *from, const char *to)
-{
-    BPTR fromFile, toFile;
-    char *buffer;
-    long size;
-    char *error = NULL;
-
-    buffer = (char *) alloc(COPYSIZE);
-    if (fromFile = Open( (char *)from, MODE_OLDFILE)) {
-	if (toFile = Open( (char *)to, MODE_NEWFILE)) {
-	    while (size = Read(fromFile, buffer, (long)COPYSIZE)) {
-		if (size == -1){
-		    error = "Read error";
-		    break;
-		}
-		if (size != Write(toFile, buffer, size)) {
-		    error = "Write error";
-		    break;
-		}
-	    }
-	    Close(toFile);
-	} else
-	    error = "Cannot open destination";
-	Close(fromFile);
-    } else
-	error = "Cannot open source (this should not occur)";
-    free(buffer);
-    return error;
-}
-#endif
 
 #ifdef MFLOPPY
 /* this should be replaced */