CI: completely remove ubuntu 18

diff --git a/.github/workflows/ci-tests.yml b/.github/workflows/ci-tests.yml
index 7d9c931da0b65b5b5a5301f90a38d50bba4a2e31..765de4d03bbc0580b5b8b792925f1768bdf3dfc4 100644 (file)
--- a/.github/workflows/ci-tests.yml
+++ b/.github/workflows/ci-tests.yml
@@ -39,11 +39,6 @@ jobs:
             matrix:
                 ubuntu: [20, 22]
                 include:
-                    - ubuntu: 18
-                      postgresql: 9.6
-                      postgis: 2.5
-                      pytest: pytest
-                      php: 7.2
                     - ubuntu: 20
                       postgresql: 13
                       postgis: 3