Removing guava dependency to fix jarhell (#709)

* removing guava to fix jarhell

Signed-off-by: Shenoy Pratik <sgguruda@amazon.com>

* update release notes

Signed-off-by: Shenoy Pratik <sgguruda@amazon.com>

---------

Signed-off-by: Shenoy Pratik <sgguruda@amazon.com>

build.gradle

@@ -175,7 +175,6 @@ dependencies {
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9"
     implementation "${group}:common-utils:${common_utils_version}"
     compileOnly "${group}:opensearch-job-scheduler-spi:${job_scheduler_version}"
-    implementation group: 'com.google.guava', name: 'guava', version: '31.0.1-jre'
     implementation "org.json:json:20230227"
     implementation group: 'com.github.wnameless.json', name: 'json-flattener', version: '0.15.1'
     // json-base, jackson-databind, jackson-annotations are transitive dependencies by json-flattener

release-notes/opensearch-reporting.release-notes-2.8.0.0.md

@@ -5,6 +5,7 @@ Compatible with OpenSearch 2.8.0
 ### Bug Fixes
 * Update json version to 20230227 ([#692](https://github.com/opensearch-project/reporting/pull/692))
 * Update Gradle Wrapper to 7.6.1 ([#695](https://github.com/opensearch-project/reporting/pull/695))
+* Removing guava dependency to fix jarhell ([#709](https://github.com/opensearch-project/reporting/pull/709))
 
 ### Maintenance
 * Increment version to 2.8.0-SNAPSHOT ([#688](https://github.com/opensearch-project/reporting/pull/688))