feat: refactor configuration to include source and target database types

cmd/go_migrate/process.go

@@ -175,16 +175,3 @@ func logColumnTypes(columnTypes []models.ColumnType, label string) {
 		log.Debugf("%+v", col)
 	}
 }
-
-func logSampleRow(
-	schema string,
-	table string,
-	columns []ColumnType,
-	rowValues models.UnknownRowValues,
-	tag string,
-) {
-	log.Infof("[%s.%s] Sample row: (%s)", schema, table, tag)
-	for i, col := range columns {
-		log.Infof("%s (%T): %v", col.Name(), rowValues[i], rowValues[i])
-	}
-}