chore: remove explicit version for jackson-core

Favor using the version from shared-dependencies

Author: BenWhitehead

pom.xml

@@ -190,12 +190,6 @@
         <scope>import</scope>
       </dependency>
 
-      <dependency>
-        <groupId>com.fasterxml.jackson.core</groupId>
-        <artifactId>jackson-core</artifactId>
-        <version>2.12.1</version>
-      </dependency>
-
       <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>