remove unused junk error values from content struct

saves over half a kilobyte for every content

content/content.c

@@ -113,7 +113,6 @@ nserror content__init(struct content *c, const content_handler *handler,
 	c->locked = false;
 	c->total_size = 0;
 	c->http_code = 0;
-	c->error_count = 0;
 
 	content_set_status(c, messages_get("Loading"));
 

content/content_protected.h

@@ -149,13 +149,6 @@ struct content {
 
 	unsigned long total_size;	/**< Total data size, 0 if unknown. */
 	long http_code;			/**< HTTP status code, 0 if not HTTP. */
-
-	/** Array of first n rendering errors or warnings. */
-	struct {
-		const char *token;
-		unsigned int line;	/**< Line no, 0 if not applicable. */
-	} error_list[40];
-	unsigned int error_count;	/**< Number of valid error entries. */
 };
 
 extern const char * const content_type_name[];