tool/instruction.rb: remove trailing spaces

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48233 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

tool/instruction.rb

@@ -1033,7 +1033,7 @@ class RubyVM
       i=0
       insns = build_string do
         @insns.each{|insn|
-          commit "  %-30s = %d,\n" % ["BIN(#{insn.name})", i]
+          commit "  %-30s = %d," % ["BIN(#{insn.name})", i]
           i+=1
         }
       end