Remove hardcoded jackson version 3.0.2, it's managed by gt-platform-dependencies BOM

Author: groldan

geowebcache/core/pom.xml

@@ -147,7 +147,6 @@
     <dependency>
       <groupId>tools.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>3.0.2</version>
     </dependency>
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
@@ -156,7 +155,6 @@
     <dependency>
       <groupId>tools.jackson.core</groupId>
       <artifactId>jackson-core</artifactId>
-      <version>3.0.2</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents.client5</groupId>