RFR (trivial): 8216423: Remove FillDelaySlots

[Claes Redestad]

Hi,

remove unused and unimplemented flag FillDelaySlots (not to be
confused with LIRFillDelaySlots).

Bug:   https://bugs.openjdk.java.net/browse/JDK-8216423
Patch:

diff -r 48d09a9f4d2b src/hotspot/share/runtime/globals.hpp
--- a/src/hotspot/share/runtime/globals.hpp	Tue Jan 08 10:29:02 2019 -0500
+++ b/src/hotspot/share/runtime/globals.hpp	Wed Jan 09 15:09:26 2019 +0100
@@ -1330,9 +1330,6 @@
    develop(bool, TypeProfileCasts,  true, 
      \
            "treat casts like calls for purposes of type profiling") 
      \
 
      \
-  develop(bool, FillDelaySlots, true, 
     \
-          "Fill delay slots (on SPARC only)") 
     \
- 
     \
    develop(bool, TimeLivenessAnalysis, false, 
      \
            "Time computation of bytecode liveness analysis") 
      \
 
      \


Thanks!

/Claes