Fix dependancies and precompile ruby module

include/syntax/decl.h

@@ -26,21 +26,6 @@ const std::unordered_map<std::string, TokenKind> kind_map = {
 #undef ADD
 };
 
-constexpr const char tokens_def[] = "module Tokens\n"
-#define STRINGIFY_HELPER(x) #x
-#define STRINGIFY(x) STRINGIFY_HELPER(x)
-#define ADD(name) "  " #name " = " STRINGIFY(__COUNTER__) "\n"
-#include "syntax/tokens.def"
-#undef ADD
-#undef STRINGIFY
-#undef STRINGIFY_HELPER
-                                    "  freeze\n"
-                                    "end";
-
-constexpr const char crib_module[] = {
-#embed "libcrib.rb"
-    , '\0'};
-
 extern std::array<Highlight, TOKEN_KIND_COUNT> highlights;
 
 struct Token {