Rearrange code and cleanup

include/ts.h

@@ -1,25 +0,0 @@
-#ifndef TS_H
-#define TS_H
-
-#include "./editor.h"
-#include "./pch.h"
-#include "./utils.h"
-
-#define HEX(s) (static_cast<uint32_t>(std::stoul(s, nullptr, 16)))
-
-extern std::unordered_map<std::string, pcre2_code *> regex_cache;
-
-TSQuery *load_query(const char *query_path, TSSetBase *set);
-void ts_collect_spans(Editor *editor);
-bool ts_predicate(TSQuery *query, const TSQueryMatch &match,
-                  std::function<std::string(const TSNode *)> subject_fn);
-void clear_regex_cache();
-template <typename T>
-inline T *safe_get(std::map<uint16_t, T> &m, uint16_t key) {
-  auto it = m.find(key);
-  if (it == m.end())
-    return nullptr;
-  return &it->second;
-}
-
-#endif