Remove detailed Olm session logging

Now that we understand the Olm session deadlock, we shouldn't need this detailed
per-session logging.

Fixes element-hq/element-web#16647

Author: jryans

src/crypto/olmlib.js

@@ -213,9 +213,8 @@ export async function ensureOlmSessionsForDevices(
     // synchronous operation, as otherwise it is possible to have deadlocks
     // where multiple tasks wait indefinitely on another task to update some set
     // of common devices.
-    for (const [userId, devices] of Object.entries(devicesByUser)) {
+    for (const [, devices] of Object.entries(devicesByUser)) {
         for (const deviceInfo of devices) {
-            const deviceId = deviceInfo.deviceId;
             const key = deviceInfo.getIdentityKey();
 
             if (key === olmDevice.deviceCurve25519Key) {
@@ -224,15 +223,12 @@ export async function ensureOlmSessionsForDevices(
                 continue;
             }
 
-            const forWhom = `for ${key} (${userId}:${deviceId})`;
             if (!olmDevice._sessionsInProgress[key]) {
                 // pre-emptively mark the session as in-progress to avoid race
                 // conditions.  If we find that we already have a session, then
                 // we'll resolve
-                log.debug(`Marking Olm session in progress ${forWhom}`);
                 olmDevice._sessionsInProgress[key] = new Promise(resolve => {
                     resolveSession[key] = (...args) => {
-                        log.debug(`Resolved Olm session in progress ${forWhom}`);
                         delete olmDevice._sessionsInProgress[key];
                         resolve(...args);
                     };
@@ -266,11 +262,9 @@ export async function ensureOlmSessionsForDevices(
             }
 
             const forWhom = `for ${key} (${userId}:${deviceId})`;
-            log.debug(`Ensuring Olm session ${forWhom}`);
             const sessionId = await olmDevice.getSessionIdForDevice(
                 key, resolveSession[key], log,
             );
-            log.debug(`Got Olm session ${sessionId} ${forWhom}`);
             if (sessionId !== null && resolveSession[key]) {
                 // we found a session, but we had marked the session as
                 // in-progress, so resolve it now, which will unmark it and