revert accidental change

Author: lion7

kotlin/pom.xml

@@ -59,14 +59,6 @@
         <groupId>org.jetbrains.kotlin</groupId>
         <artifactId>kotlin-maven-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-compiler-plugin</artifactId>
-        <configuration>
-          <source>17</source>
-          <target>17</target>
-        </configuration>
-      </plugin>
     </plugins>
   </build>