Remove jackson-dataformat-yaml dependency

Hadoop-project uses  snakeyaml.version-2.0 and jackson-dataformat-yaml-2.12.7.
But internally jackson-dataformat-yaml-2.12.7 uses compile dependency snakeyaml.version-1.27 .This may cause a transitive dependency issue in other services using hadoop jar having jackson-dataformat-yaml-2.12.7 as  jackson-dataformat-yaml-2.12.7 will use nearest dependency available of snakeyaml i.e 1.27 and ignore the version of snakeyaml-2.0 from hadoop-project. To overcome this and since jackson-dataformat-yaml is not actually used it should be removed.