remove traces of salama

lib/risc/README.md

@@ -36,7 +36,7 @@ There is an interpreter that can interpret compiled register machine programs.
 This is very handy for debugging (an nothing else).
 
 Even more handy is the graphical interface for the interpreter, which is in it's own repository:
-salama-debugger.
+rubyx-debugger.
 
 Arm / Elf
 =========

lib/risc/boot.rb

@@ -35,7 +35,7 @@ module Risc
     # And so we have a chicken and egg problem. At the end of the boot function we want to have a
     # working Space object
     # But that has instance variables (List and Dictionary) and off course a class.
-    # Or more precisely in salama, a Type, that points to a class.
+    # Or more precisely in rubyx, a Type, that points to a class.
     # So we need a Type, but that has Type and Class too. hmmm
     #
     # The way out is to build empty shell objects and stuff the neccessary data into them