refactor redundant checks

Author: parameja1

packages/amazonq/src/lsp/auth.ts

@@ -109,11 +109,8 @@ export class AmazonQLspAuth {
     }
 
     private areCredentialsEqual(creds1: any, creds2: any): boolean {
-        if (!creds1 && !creds2) {
-            return true
-        }
         if (!creds1 || !creds2) {
-            return false
+            return creds1 === creds2
         }
 
         return (

packages/core/src/auth/credentials/store.ts

@@ -38,8 +38,7 @@ export class CredentialsStore {
             const expiration = this.credentialsCache[key].credentials.expiration
             const now = new globals.clock.Date()
             const bufferedNow = new globals.clock.Date(now.getTime() + expirationBufferMs)
-            const isValid = expiration !== undefined ? expiration >= bufferedNow : true
-            return isValid
+            return expiration !== undefined ? expiration >= bufferedNow : true
         }
         getLogger().debug(`credentials: no credentials found for ${key}`)
         return false