fixup liquibase springboot3 migration, don't force schemaName (#81)

Author: jonenst

src/main/resources/db/changelog/changesets/changelog_20230801T194601Z.xml

@@ -1,9 +1,9 @@
 <?xml version="1.1" encoding="UTF-8" standalone="no"?>
 <databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext" xmlns:pro="http://www.liquibase.org/xml/ns/pro" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog-ext http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-ext.xsd http://www.liquibase.org/xml/ns/pro http://www.liquibase.org/xml/ns/pro/liquibase-pro-4.1.xsd http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-4.1.xsd">
     <changeSet author="hedhiliabd" id="1689623201842-1">
+        <validCheckSum>8:e772a722c088f772d9dcc4be222f083b</validCheckSum>
         <modifyDataType columnName="element_type"
                         newDataType="tinyint"
-                        schemaName="public"
                         tableName="contingency_entity_contingency_elements"/>
     </changeSet>
 </databaseChangeLog>