Address reviewer suggestions

Author: Zeta201

components/application-mgt/org.wso2.carbon.identity.application.common/src/main/java/org/wso2/carbon/identity/application/common/cache/BaseCache.java

@@ -179,7 +179,6 @@ public void addToCacheOnRead(K key, V entry) {
                     .getThreadLocalCarbonContext();
             carbonContext.setTenantId(MultitenantConstants.SUPER_TENANT_ID);
             carbonContext.setTenantDomain(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
-            // Element already in the cache. Remove it first
             Cache<K, V> cache = getBaseCache();
             if (cache != null) {
                 cache.putOnRead(key, entry);