[TASK] Adds composer.lock removal to post-install

.gitignore

@@ -2,7 +2,6 @@
 .idea
 typo3_src
 bin/*
-composer.lock
 !bin/scripts/
 vendor
 html/fileadmin

composer.json

@@ -33,9 +33,6 @@
     "bin-dir": "bin"
   },
   "scripts": {
-    "pre-install-cmd": [
-      "rm -f composer.lock"
-    ],
     "post-install-cmd": [
       "./bin/typo3cms install:generatepackagestates 0 1"
     ],