Remove certificate installation from CI (#488)

The `symfony server:ca:install` step fails on GitHub Actions runners
because Firefox/Chrome security databases are not found. This step is
not necessary for the CI tests since we're using
`--allow-insecure-localhost` flag for Chrome.

Author: TheMilek

.github/workflows/build.yaml

@@ -29,7 +29,7 @@ jobs:
 
         env:
             APP_ENV: test
-            BEHAT_BASE_URL: "https://127.0.0.1:8080/"
+            BEHAT_BASE_URL: "http://127.0.0.1:8080/"
             DATABASE_URL: "mysql://root:root@127.0.0.1/sylius?serverVersion=${{ matrix.mysql }}"
 
         steps:
@@ -66,10 +66,6 @@ jobs:
                 name: Output PHP version for Symfony CLI
                 run: php -v | head -n 1 | awk '{ print $2 }' > .php-version
 
-            -
-                name: Install certificates
-                run: symfony server:ca:install
-
             -
                 name: Get Composer cache directory
                 id: composer-cache
@@ -161,7 +157,7 @@ jobs:
 
             -
                 name: Run webserver
-                run: symfony server:start --port=8080 --daemon
+                run: symfony server:start --port=8080 --no-tls --daemon
 
             -
                 name: Run Behat