more work on reading second copy from tape, some cleanup

c64/kernal/assets/fd30.vector_defaults.s

@@ -1,4 +1,6 @@
-#if ROM_LAYOUT_STD || (ROM_LAYOUT_M65 && SEGMENT_KERNAL_0)
+// #LAYOUT# STD *        #TAKE
+// #LAYOUT# *   KERNAL_0 #TAKE
+// #LAYOUT# *   *        #IGNORE
 
 //
 // Default values for Kernal vectors - described in:
@@ -25,6 +27,3 @@ vector_defaults:
 	.word default_brk_handler    // USRCMD
 	.word LOAD                   // ILOAD 
 	.word SAVE                   // ISAVE
-
-
-#endif // ROM layout