xo-reader: tidy: cleanup debris

include/xo/reader/exprstate.hpp

@@ -70,17 +70,6 @@ namespace xo {
                 {}
             virtual ~exprstate() = default;
 
-#ifdef RELOCATED
-            static std::unique_ptr<exprstate> expect_symbol() {
-                return std::make_unique<exprstate>(exprstate(exprstatetype::expect_symbol));
-            }
-#endif
-#ifdef RELOCATED
-            static std::unique_ptr<exprstate> expect_type() {
-                return std::make_unique<exprstate>(exprstate(exprstatetype::expect_type));
-            }
-#endif
-
             exprstatetype exs_type() const { return exs_type_; }
 
             /** true iff this parsing state admits a symbol as next token **/

src/reader/paren_xs.cpp

@@ -23,11 +23,6 @@ namespace xo {
         bool
         paren_xs::admits_singleassign() const { return false; }
 
-#ifdef OBSOLETE
-        bool
-        paren_xs::admits_leftparen() const { /*unreachable*/  return false; }
-#endif
-
         bool
         paren_xs::admits_rightparen() const {
             switch (parenxs_type_) {