main/owncloud: clean up deps

- we should not depend on sql servers, only the client libs
- change php-sqlite to php-sqlite3

main/owncloud/APKBUILD

 # Maintainer: Leonardo Arena <rnalrd@alpinelinux.org>
 pkgname=owncloud
 pkgver=5.0.3
-pkgrel=1
+pkgrel=2
 pkgdesc="Your own WebDAV-based cloud service"
 url="http://owncloud.org"
 arch="noarch"
@@ -44,19 +44,19 @@ package() {
 
 pgsql() {
 	pkgdesc="ownCloud PostgreSQL support"
-	depends="owncloud php-pgsql php-pdo_pgsql php-pear-mdb2-driver-pgsql postgresql"
+	depends="owncloud php-pgsql php-pdo_pgsql php-pear-mdb2-driver-pgsql"
 	mkdir -p "$subpkgdir"/usr/share/webapps/owncloud
 }
 
 sqlite() {
 	pkgdesc="ownCloud SQLite support"
-	depends="owncloud php-sqlite php-pdo_sqlite sqlite"
+	depends="owncloud php-sqlite3 php-pdo_sqlite"
 	mkdir -p "$subpkgdir"/usr/share/webapps/owncloud
 }
 
 mysql() {
 	pkgdesc="ownCloud MySQL support"
-	depends="owncloud php-mysql php-pdo_mysql php-pear-mdb2-driver-mysql mysql"
+	depends="owncloud php-mysql php-pdo_mysql php-pear-mdb2-driver-mysql"
 	mkdir -p "$subpkgdir"/usr/share/webapps/owncloud
 }