ide: remove obsoleted "ide=" kernel parameters

* Remove obsoleted "ide=" kernel parameters.

* Remove no longer needed:
  - ide_setup()
  - parse_options()
  - __setup("", ...)
  - module_param(options, ...)

* Use module_{init,exit}() for MODULE=y case and remove MODULE ifdef.

* Make ide_*acpi* and ide_doubler variables static.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 653b1ad..174f470 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -692,7 +692,7 @@
 	ide_hwif_t *hwif = drive->hwif;
 	u8 speed;
 
-	if (noautodma || drive->nodma || (drive->id->capability & 1) == 0)
+	if (drive->nodma || (drive->id->capability & 1) == 0)
 		return 0;
 
 	/* consult the list of known "bad" drives */