remove unnecessary version number in parquet-scrooge

parquet-scrooge/pom.xml

diff --git a/parquet-scrooge/pom.xml b/parquet-scrooge/pom.xml
index 8248f02..932ef24 100644
--- a/parquet-scrooge/pom.xml
+++ b/parquet-scrooge/pom.xml
@@ -100,7 +100,6 @@
     <plugins>
       <plugin>
         <artifactId>maven-enforcer-plugin</artifactId>
-        <version>1.3.1</version>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>