revert special case for 2 servers

Author: baileympearson

src/sdam/topology.ts

@@ -903,19 +903,6 @@ function processWaitQueue(topology: Topology) {
       continue;
     } else if (selectedDescriptions.length === 1) {
       selectedServer = topology.s.servers.get(selectedDescriptions[0].address);
-    } else if (selectedDescriptions.length === 2) {
-      const server1 = topology.s.servers.get(selectedDescriptions[0].address);
-      const server2 = topology.s.servers.get(selectedDescriptions[1].address);
-
-      if (server1 && server2) {
-        if (server1.s.operationCount === server2.s.operationCount) {
-          // If there are only two servers, we avoid shuffling the array of
-          // server descriptions
-          selectedServer = Math.floor(Math.random() * 2) === 0 ? server1 : server2;
-        } else {
-          selectedServer = server1.s.operationCount < server2.s.operationCount ? server1 : server2;
-        }
-      }
     } else {
       const descriptions = shuffle(selectedDescriptions, 2);
       const server1 = topology.s.servers.get(descriptions[0].address);