flashrom: Leave Pm49FL004/2 Block Locking Registers unlocked after erase/write.

This is just as harmless as leaving hardware write locking unlocked.

Signed-off-by: Peter Stuge <peter@stuge.se>

Index: pm49fl00x.c
===================================================================
--- pm49fl00x.c	(revision 3332)
+++ pm49fl00x.c	(working copy)
@@ -74,9 +74,6 @@
 	}
 	printf("\n");
 
-	/* protected */
-	write_lockbits_49fl00x(flash->virtual_registers, total_size, 1, page_size);
-
 	return 0;
 }
 
@@ -107,8 +104,5 @@
 	}
 	printf("\n");
 	
-	/* protected */
-	write_lockbits_49fl00x(flash->virtual_registers, total_size, 1, page_size);
-
 	return 0;
 }