Remove php 8 from the build matrix for now

Author: andrewmy

.github/workflows/ci.yml

@@ -136,23 +136,6 @@ jobs:
             functional_tests: false
             rdkafka_tests: true
             prepare_container: true
-          - php: 8.0
-            symfony_version: 5.2.*
-            unit_tests: true
-            functional_tests: false
-            rdkafka_tests: false
-            prepare_container: false
-          - php: 8.0
-            symfony_version: 5.2.*
-            unit_tests: false
-            functional_tests: true
-            rdkafka_tests: false
-            prepare_container: true
-          - php: 8.0
-            symfony_version: 5.2.*
-            unit_tests: false
-            rdkafka_tests: true
-            prepare_container: true
 
     name: PHP ${{ matrix.php }} tests on Sf ${{ matrix.symfony_version }}, unit=${{ matrix.unit_tests }}, func=${{ matrix.functional_tests }}, rdkafka=${{ matrix.rdkafka_tests }}