[sparc64] dead code in emul.c

[Miod Vallat]

emul.c r1.19 removed a bunch of code, but not enough, and left dead code
around.

Index: emul.c
===================================================================
RCS file: /OpenBSD/src/sys/arch/sparc64/sparc64/emul.c,v
retrieving revision 1.23
diff -u -p -r1.23 emul.c
--- emul.c      16 Nov 2014 12:30:59 -0000      1.23
+++ emul.c      6 Aug 2018 20:11:00 -0000
@@ -49,13 +49,9 @@
 
 #define GPR(tf, i)     ((int32_t *)(u_long)&tf->tf_global)[i]
 #define IPR(tf, i)     ((int32_t *)(u_long)tf->tf_out[6])[i - 16]
-#define FPR(p, i)      ((int32_t) p->p_md.md_fpstate->fs_regs[i])
-#define FPRSET(p, i, v)        p->p_md.md_fpstate->fs_regs[i] = (v)
 
 static __inline int readgpreg(struct trapframe64 *, int, void *);
-static __inline int readfpreg(struct proc *, int, void *);
 static __inline int writegpreg(struct trapframe64 *, int, const void *);
-static __inline int writefpreg(struct proc *, int, const void *);
 static __inline int decodeaddr(struct trapframe64 *, union instr *, void *);
 static int muldiv(struct trapframe64 *, union instr *, int32_t *, int32_t *,
     int32_t *);
@@ -81,7 +77,6 @@ readgpreg(tf, i, val)
        return error;
 }
 
-               
 static __inline int
 writegpreg(tf, i, val)
        struct trapframe64 *tf;
@@ -99,28 +94,6 @@ writegpreg(tf, i, val)
                error = copyout((caddr_t) val, &IPR(tf, i), sizeof(int32_t));
 
        return error;
-}
-       
-
-static __inline int
-readfpreg(p, i, val)
-       struct proc *p;
-       int i;
-       void *val;
-{
-       *(int32_t *) val = FPR(p, i);
-       return 0;
-}
-
-               
-static __inline int
-writefpreg(p, i, val)
-       struct proc *p;
-       int i;
-       const void *val;
-{
-       FPRSET(p, i, *(const int32_t *) val);
-       return 0;
 }
 
 static __inline int