fixed the scala-2.12 comment

pom.xml

@@ -1531,13 +1531,13 @@ This will force full Scala code rebuild in downstream modules.
                             <message>Only Java 8, 11, and 17 are supported!</message>
                             <version>[1.8,1.9),[11,12),[17,18)</version>
                         </requireJavaVersion>
-                        <!-- #if scala-2.12 --><!--
+                        <!-- #if scala-2.12 -->
                         <requireProperty>
                           <property>buildver</property>
                           <regex>^(?!400).*$</regex>
                           <message>Spark 4.0.0 is only supported for Scala 2.13</message>
                         </requireProperty>
-                        --><!-- #endif scala-2.12 -->
+                        <!-- #endif scala-2.12 -->
                         <!-- #if scala-2.13 --><!--
                         <requireProperty>
                             <regexMessage>Unexpected buildver value ${buildver} for a Scala 2.13 build, only Apache Spark versions 3.3.0 (330) and higher are supported, no vendor builds such as 330db</regexMessage>