Default to console if no logger can be loaded, clean-up

src/api/services.js

@@ -41,7 +41,7 @@ module.exports = class ServicesAPI {
 				var context = this.context.processingContext(req);
 				// Update user id to the user id, which stored the job. See https://github.com/Open-EO/openeo-earthengine-driver/issues/19
 				context.setUserId(service.user_id);
-				let logger;
+				let logger = console;
 				this.storage.getLogsById(req.params.service_id, Utils.timeId())
 					.then(logs => {
 						var pg = new ProcessGraph(service.process, context);

src/models/logs.js

@@ -129,7 +129,6 @@ module.exports = class Logs {
 					// Are there more elements?
 					if (limit >= 1 && logs.length === limit + 1) {
 						logs.pop();
-						console.log(logs.length);
 						let last = logs[logs.length - 1];
 						let url = this.url + '?offset=' + last.id + (limit >= 1 ? '&limit=' + limit : '')
 						links.push({