refactor utils

src/include/console_line.h

@@ -16,12 +16,6 @@
 #ifndef _MYSHELLIN_CONSOLE_LINE
 #define _MYSHELLIN_CONSOLE_LINE
 
-/**
- * Remove new line from the end of a string.
- * @param line The string to remove the new line from.
- */
-void remove_new_line(char *line);
-
 /**
  * Get the logged in user's username.
  * @return Returns the logged in user's username.
@@ -34,12 +28,6 @@ char *get_username();
  */
 char *get_hostname();
 
-/**
- * Get the current working directory of the shell.
- * @return Returns the current working directory.
- */
-char *get_working_directory();
-
 /**
  * Print the console line before the user input.
  */