Revert "Fix upgrade errors on eoan"

This reverts commit 0d345ec2.

Upgrades from 8.0 don't work yet, one has to dump/restore
manually to get the metadata out of the data dictionary.

debian/control

@@ -259,7 +259,6 @@ Conflicts: mariadb-client-10.0,
            mysql-client-core-5.5,
            mysql-client-core-5.6,
            mysql-client-core-5.7,
-           mysql-client-core-8.0,
            virtual-mysql-client-core
 Replaces: mariadb-client-10.0,
           mariadb-client-10.1,
@@ -283,7 +282,6 @@ Replaces: mariadb-client-10.0,
           mysql-client-core-5.5,
           mysql-client-core-5.6,
           mysql-client-core-5.7,
-          mysql-client-core-8.0,
           virtual-mysql-client-core
 Provides: default-mysql-client-core,
           mysql-client-core,
@@ -322,7 +320,6 @@ Conflicts: mariadb-client (<< ${source:Version}),
            mysql-client-5.5,
            mysql-client-5.6,
            mysql-client-5.7,
-           mysql-client-8.0,
            virtual-mysql-client
 Replaces: mariadb-client (<< ${source:Version}),
           mariadb-client-10.0,
@@ -338,7 +335,6 @@ Replaces: mariadb-client (<< ${source:Version}),
           mysql-client-5.5,
           mysql-client-5.6,
           mysql-client-5.7,
-          mysql-client-8.0,
           virtual-mysql-client
 Provides: default-mysql-client,
           mysql-client,
@@ -377,7 +373,6 @@ Conflicts: mariadb-server-core-10.0,
            mysql-server-core-5.5,
            mysql-server-core-5.6,
            mysql-server-core-5.7,
-           mysql-server-core-8.0,
            virtual-mysql-server-core
 Breaks: mariadb-client-10.0,
         mariadb-client-10.1,
@@ -402,7 +397,6 @@ Replaces: mariadb-client-10.0,
           mysql-server-core-5.5,
           mysql-server-core-5.6,
           mysql-server-core-5.7,
-          mysql-server-core-8.0,
           virtual-mysql-server-core
 Provides: default-mysql-server-core,
           mysql-server-core,
@@ -463,7 +457,6 @@ Conflicts: mariadb-server (<< ${source:Version}),
            mysql-server-5.5,
            mysql-server-5.6,
            mysql-server-5.7,
-           mysql-server-8.0,
            virtual-mysql-server
 Replaces: libmariadbclient-dev (<< 5.5.0),
           libmariadbclient16 (<< 5.3.4),
@@ -486,7 +479,6 @@ Replaces: libmariadbclient-dev (<< 5.5.0),
           mysql-server-5.5,
           mysql-server-5.6,
           mysql-server-5.7,
-          mysql-server-8.0,
           virtual-mysql-server
 Provides: default-mysql-server,
           virtual-mysql-server
@@ -732,7 +724,6 @@ Breaks: mariadb-server-5.5,
         mysql-testsuite-5.5,
         mysql-testsuite-5.6,
         mysql-testsuite-5.7,
-        mysql-testsuite-8.0,
         virtual-mysql-testsuite
 Replaces: mariadb-server-5.5,
           mariadb-test-10.0,
@@ -743,7 +734,6 @@ Replaces: mariadb-server-5.5,
           mysql-testsuite-5.5,
           mysql-testsuite-5.6,
           mysql-testsuite-5.7,
-          mysql-testsuite-8.0,
           virtual-mysql-testsuite
 Provides: virtual-mysql-testsuite
 Suggests: patch