THRIFT-507. smalltalk: Remove an unnecessary include (boost/tokenizer)

git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@991250 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/compiler/cpp/src/generate/t_st_generator.cc b/compiler/cpp/src/generate/t_st_generator.cc
index 11d2394..a7acf15 100644
--- a/compiler/cpp/src/generate/t_st_generator.cc
+++ b/compiler/cpp/src/generate/t_st_generator.cc
@@ -27,7 +27,6 @@
 #include <vector>
 
 #include <stdlib.h>
-#include <boost/tokenizer.hpp>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sstream>