Remove calls to deprecated Throwables.propagate() method

Change-Id: Id48a8f1d4fb02560cfb77108f554556a3cad9b16
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/MeteredAsyncConsistentMap.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/MeteredAsyncConsistentMap.java
index ac41e84..de53121 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/MeteredAsyncConsistentMap.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/MeteredAsyncConsistentMap.java
@@ -16,6 +16,17 @@
 
 package org.onosproject.store.primitives.impl;
 
+import com.google.common.collect.Maps;
+import org.onosproject.store.primitives.MapUpdate;
+import org.onosproject.store.primitives.TransactionId;
+import org.onosproject.store.service.AsyncConsistentMap;
+import org.onosproject.store.service.MapEvent;
+import org.onosproject.store.service.MapEventListener;
+import org.onosproject.store.service.TransactionLog;
+import org.onosproject.store.service.Version;
+import org.onosproject.store.service.Versioned;
+import org.onosproject.utils.MeteringAgent;
+
 import java.util.Collection;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -26,20 +37,6 @@
 import java.util.function.Function;
 import java.util.function.Predicate;
 
-import org.onosproject.store.primitives.MapUpdate;
-import org.onosproject.store.primitives.TransactionId;
-import org.onosproject.store.service.AsyncConsistentMap;
-import org.onosproject.store.service.MapEvent;
-import org.onosproject.store.service.MapEventListener;
-import org.onosproject.store.service.TransactionLog;
-import org.onosproject.store.service.Version;
-import org.onosproject.store.service.Versioned;
-
-import com.google.common.base.Throwables;
-import com.google.common.collect.Maps;
-
-import org.onosproject.utils.MeteringAgent;
-
 /**
  * {@link AsyncConsistentMap} that meters all its operations.
  *
@@ -310,7 +307,7 @@
                 timer.stop(null);
             } catch (Exception e) {
                 timer.stop(e);
-                Throwables.propagate(e);
+                throw new IllegalStateException(e);
             }
         }
     }