ui-blob: Do not accept mimetype from user

cgit.c

@@ -314,8 +314,6 @@ static void querystring_cb(const char *name, const char *value)
 		ctx.qry.path = trim_end(value, '/');
 	} else if (!strcmp(name, "name")) {
 		ctx.qry.name = xstrdup(value);
-	} else if (!strcmp(name, "mimetype")) {
-		ctx.qry.mimetype = xstrdup(value);
 	} else if (!strcmp(name, "s")) {
 		ctx.qry.sort = xstrdup(value);
 	} else if (!strcmp(name, "showmsg")) {

cgit.h

@@ -173,7 +173,6 @@ struct cgit_query {
 	char *sha2;
 	char *path;
 	char *name;
-	char *mimetype;
 	char *url;
 	char *period;
 	int   ofs;

ui-blob.c

@@ -161,7 +161,6 @@ void cgit_print_blob(const char *hex, char *path, const char *head, int file_onl
 	}
 
 	buf[size] = '\0';
-	ctx.page.mimetype = ctx.qry.mimetype;
 	if (!ctx.page.mimetype) {
 		if (buffer_is_binary(buf, size))
 			ctx.page.mimetype = "application/octet-stream";