remove EINA_ERROR_TIMEOUT

As pointed out in the mailing list, it was introduced in this release,
so it's better to remove the symbol instead of deprecating it.

People should use ETIMEDOUT directly.

src/lib/eina/eina_error.c

@@ -126,8 +126,6 @@ _eina_error_msg_alloc(void)
 
 EAPI Eina_Error EINA_ERROR_OUT_OF_MEMORY = ENOMEM;
 
-EWAPI Eina_Error EINA_ERROR_TIMEOUT = ETIMEDOUT;
-
 /**
  * @endcond
  */

src/lib/eina/eina_lock.h

@@ -97,14 +97,6 @@ typedef enum
  */
 typedef void (*Eina_TLS_Delete_Cb)(void *ptr);
 
-/**
- * @brief Error set when a blocking function timed out.
- * @since 1.19
- *
- * @deprecated Use ETIMEDOUT instead.
- */
-EWAPI extern Eina_Error EINA_ERROR_TIMEOUT EINA_DEPRECATED; /* use ETIMEDOUT */
-
 # include "eina_inline_lock_posix.x"
 
 /**