Removing allow_failure:false on manual jobs to prevent them being marked as "blocked"

.gitlab-ci.yml

@@ -50,7 +50,6 @@ build:python2.7:
 build:2.10:
   extends: .build
   when: manual
-  allow_failure: false
   variables:
     ALPINE_VERSION: 3.14
     ANSIBLE_VERSION: '2.10'
@@ -59,7 +58,6 @@ build:2.10:
 build:2.9:
   extends: .build
   when: manual
-  allow_failure: false
   variables:
     ALPINE_VERSION: 3.12
     ANSIBLE_VERSION: 2.9