Remove unnecessary error message when cocopods is not available (#13241)

* Remove unnecessary error message

* Add AUTHOR
diff --git a/AUTHORS b/AUTHORS
index 0b099f7..d7e59a9 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -17,3 +17,4 @@
 Mike Hoolehan <mike@hoolehan.com>
 German Saprykin <saprykin.h@gmail.com>
 Stefano Rodriguez <hlsroddy@gmail.com>
+Yusuke Konishi <yahpeycoy0403@gmail.com>