[arch-dev-public] removed mariadb from testing

Hello everybody, a problem has been found in MariaDB 10.6.6 and upstream decided to withdraw the release. We do the same, just removed mariadb (and galera) packages from testing. https://jira.mariadb.org/browse/MDEV-27789 -- main(a){char*c=/* Schoene Gruesse */"B?IJj;MEH" "CX:;",b;for(a/* Best regards my address: */=0;b=c[a++];) putchar(b-1/(/* Chris cc -ox -xc - && ./x */b/42*2-3)*42);}