[patch] remove extra vars for mariadb

Author: Bhautik Vala

src/mas/devops/templates/pipelinerun-install.yml.j2

@@ -833,8 +833,6 @@ spec:
       value: "{{ mariadb_user }}"
     - name: mariadb_password
       value: "{{ mariadb_password }}"
-    - name: mariadb_database
-      value: "{{ mariadb_database }}"
 
 {%- endif %}