Revert "Fetch upstream dev changes"

This reverts commit 6e88e33171, reversing
changes made to 580fe77fb7.

lib/toolbox/path.h

@@ -14,15 +14,6 @@ extern "C" {
  */
 void path_extract_filename_no_ext(const char* path, string_t filename);
 
-/**
- * @brief Extract filename string from path.
- * 
- * @param path path string
- * @param filename output filename string. Must be initialized before.
- * @param trim_ext true - get filename without extension
- */
-void path_extract_filename(string_t path, string_t filename, bool trim_ext);
-
 /**
  * @brief Extract last path component
  *