PDFBOX-5660: don't use compile scope for log4j-core as advised by Piotr P. Karwasz in discussion 3755; remove version where not needed

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1927265 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

benchmark/pom.xml

@@ -63,6 +63,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
+            <scope>runtime</scope>
         </dependency>
     </dependencies>
 

examples/pom.xml

@@ -126,6 +126,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
+      <scope>runtime</scope>
     </dependency>
     <dependency>
         <groupId>org.verapdf</groupId>

fontbox/pom.xml

@@ -52,12 +52,10 @@
     <dependency>
         <groupId>org.apache.logging.log4j</groupId>
         <artifactId>log4j-api</artifactId>
-        <version>${log4j2.version}</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>${log4j2.version}</version>
       <scope>test</scope>
     </dependency>
     <dependency>