Bug 38394: Remove 3 'done'

We don't want that, and it's not consistent with the other outputs.
If we don't have anything useful to say, don't say anything.

Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

installer/data/mysql/db_revs/240600021.pl

@@ -59,6 +59,5 @@ return {
                 say_info( $out, "Removed 'issuelimit' column from 'categories' table" );
             }
         }
-        say_info( $out, "Bug 35539: All done." );
     },
 };

installer/data/mysql/db_revs/240600032.pl

@@ -16,6 +16,5 @@ return {
             );
             say_info( $out, "Added column 'service_platformerm_usage_data_providers'" );
         }
-        say_success( $out, "Done" );
     },
 };

installer/data/mysql/db_revs/240600054.pl

@@ -74,8 +74,6 @@ return {
                 $out,
                 $reports
             );
-        } else {
-            say_info( $out, "Finished database update." );
         }
 
     },