Remove redundant null check in FileTransport.

The operator instanceof takes care of the check automatically so no need to check for that condition.

PiperOrigin-RevId: 248227249

src/main/java/com/google/devtools/build/lib/buildeventstream/transports/FileTransport.java

diff --git a/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/FileTransport.java b/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/FileTransport.java
index c61272f..d1dd25c 100644
--- a/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/FileTransport.java
+++ b/src/main/java/com/google/devtools/build/lib/buildeventstream/transports/FileTransport.java
@@ -154,7 +154,6 @@
       // An {@link ExecutionException} may be wrapping a {@link TimeoutException} if the
       // Future was created with {@link Futures#withTimeout}.
       if (e instanceof ExecutionException
-          && e.getCause() != null
           && e.getCause() instanceof TimeoutException) {
         message = "Unable to write all BEP events to file due to timeout";
       } else {