ACPI / osl: Remove deprecated acpi_get_table_with_size()/early_acpi_os_unmap_memory()

Since all users are cleaned up, remove the 2 deprecated APIs due to no
users.
As a Linux variable rather than an ACPICA variable, acpi_gbl_permanent_mmap
is renamed to acpi_permanent_mmap to have a consistent coding style across
entire Linux ACPI subsystem.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 56190d0..77468be 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -964,7 +964,7 @@ void __init acpi_early_init(void)
 	if (!acpi_strict)
 		acpi_gbl_enable_interpreter_slack = TRUE;
 
-	acpi_gbl_permanent_mmap = 1;
+	acpi_permanent_mmap = true;
 
 	/*
 	 * If the machine falls into the DMI check table,