remove _ in names

Task/Classes/Sather/classes.sa

@@ -1,21 +0,0 @@
-class CLASSTEST is
-  readonly attr x:INT; -- give a public getter, not a setter
-  private attr y:INT;  -- no getter, no setter
-  attr z:INT;          -- getter and setter
-
-  -- constructor
-  create(x, y, z:INT):CLASSTEST is
-    res :CLASSTEST := new; -- or res ::= new
-    res.x := x;
-    res.y := y;
-    res.z := z;
-    return res;
-  end;
-
-  -- a getter for the private y summed to s
-  getPrivateY(s:INT):INT is
-    -- y is not shadowed so we can write y instead of
-    -- self.y
-    return y + s;
-  end;
-end;