remove Debian 10 (buster) build (#73932)

Jenkinsfile

@@ -23,9 +23,9 @@ pipeline {
             steps {
                 script {
                     if (env.JOB_NAME == 'fargo' && env.GIT_BRANCH == 'origin/main') {
-                        sh 'sudo -H -u eobuilder /usr/local/bin/eobuilder -d buster,bullseye fargo'
+                        sh 'sudo -H -u eobuilder /usr/local/bin/eobuilder -d bullseye fargo'
                     } else if (env.GIT_BRANCH.startsWith('hotfix/')) {
-                        sh "sudo -H -u eobuilder /usr/local/bin/eobuilder -d buster,bullseye --branch ${env.GIT_BRANCH} --hotfix fargo"
+                        sh "sudo -H -u eobuilder /usr/local/bin/eobuilder -d bullseye --branch ${env.GIT_BRANCH} --hotfix fargo"
                     }
                 }
             }

tox.ini

@@ -1,8 +1,8 @@
 [tox]
 toxworkdir = {env:TMPDIR:/tmp}/tox-{env:USER}/fargo/{env:BRANCH_NAME:}
 envlist =
-    py3-dj32-bullseye-black-coverage-pylint
-    py3-dj22-buster
+    py3-dj32-black-coverage-pylint
+    py3-dj22
 
 [testenv]
 usedevelop = True
@@ -21,11 +21,8 @@ deps =
         pylint-django
         dj22: django>=2.2,<2.3
         dj32: django>=3.2,<3.3
-        buster: django-filter>=2.1,<2.2
-        buster: django-tables2==1.21.1
-        buster: djangorestframework>=3.9.2,<3.10
-        bullseye: django-filter>=2.4,<2.5
-        bullseye: django-tables2==2.4.1
+        django-filter>=2.4,<2.5
+        django-tables2==2.4.1
         pytest-cov
         pytest-random
         pytest-mock