Remove a few unused C functions

* src/eval.c (let_shadows_global_binding_p):
* src/print.c (write_string):
* src/systhread.c (sys_mutex_destroy, sys_thread_equal):
Remove.
* src/print.c (write_string): Rename from write_string_1.
All uses changed.

1 files changed, 0 insertions, 2 deletions

diff --git a/src/lisp.h b/src/lisp.h
index e048011a860..238c20bc189 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3707,7 +3707,6 @@ extern Lisp_Object Vprin1_to_string_buffer;
 extern void debug_print (Lisp_Object) EXTERNALLY_VISIBLE;
 extern void temp_output_buffer_setup (const char *);
 extern int print_level;
-extern void write_string (const char *);
 extern void print_error_message (Lisp_Object, Lisp_Object, const char *,
                                  Lisp_Object);
 extern Lisp_Object internal_with_output_to_temp_buffer
@@ -3848,7 +3847,6 @@ extern void mark_specpdl (union specbinding *first, union specbinding *ptr);
 extern void get_backtrace (Lisp_Object array);
 Lisp_Object backtrace_top_function (void);
 extern bool let_shadows_buffer_binding_p (struct Lisp_Symbol *symbol);
-extern bool let_shadows_global_binding_p (Lisp_Object symbol);
 
 #ifdef HAVE_MODULES
 /* Defined in alloc.c.  */