Removing composer.lock causes Travis errors. Trying just updating collabora.

.travis.yml

@@ -46,7 +46,6 @@ before_script:
   - sudo service apache2 restart
   - php -m
   - php -i
-  - rm composer.lock
   - php install-cli.php --ignore-platform-reqs
   # create data directory
   - sudo mkdir /var/lib/egroupware

composer.lock

@@ -1,7 +1,7 @@
 {
     "_readme": [
 			"This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+			"Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
 			"This file is @generated automatically"
 		],
     "content-hash": "92e5456bf6c24dfb568926895cf688bd",
@@ -774,12 +774,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/EGroupware/collabora.git",
-                "reference": "cc6c59bb8397cc61cc419dfd5e5af8c92c1294b7"
+							"reference": "fe9a216bb21004f6ed771c2deb16b9b8928788b7"
             },
             "dist": {
 							"type": "zip",
-                "url": "https://api.github.com/repos/EGroupware/collabora/zipball/cc6c59bb8397cc61cc419dfd5e5af8c92c1294b7",
-                "reference": "cc6c59bb8397cc61cc419dfd5e5af8c92c1294b7",
+							"url": "https://api.github.com/repos/EGroupware/collabora/zipball/fe9a216bb21004f6ed771c2deb16b9b8928788b7",
+							"reference": "fe9a216bb21004f6ed771c2deb16b9b8928788b7",
 							"shasum": ""
 						},
             "require": {
@@ -806,7 +806,7 @@
             ],
             "description": "EGroupware integration for Collabora Online Office",
             "homepage": "https://www.egroupware.org/",
-            "time": "2020-03-04T17:42:36+00:00"
+					"time": "2020-03-09T21:21:56+00:00"
         },
         {
             "name": "egroupware/icalendar",