fix: remove unnecessary grpc check (GoogleCloudPlatform#1547)

Author: bshaffer

speech/src/transcribe_async_words.php

@@ -43,10 +43,6 @@
 $sampleRateHertz = 32000;
 $languageCode = 'en-US';
 
-if (!extension_loaded('grpc')) {
-    throw new \Exception('Install the grpc extension (pecl install grpc)');
-}
-
 // When true, time offsets for every word will be included in the response.
 $enableWordTimeOffsets = true;
 

testing/run_test_suite.sh

@@ -39,6 +39,7 @@ REST_TESTS=(
     error_reporting
     iot
     monitoring
+    speech
     video
     vision
 )