Remove DB preparation that is happening twice

Author: schlessera

ci/prepare.sh

@@ -35,6 +35,3 @@ else
 fi
 
 echo $CLI_VERSION > PHAR_BUILD_VERSION
-
-mysql -e 'CREATE DATABASE wp_cli_test;' -uroot
-mysql -e 'GRANT ALL PRIVILEGES ON wp_cli_test.* TO "wp_cli_test"@"localhost" IDENTIFIED BY "password1"' -uroot