THRIFT-5588 Remove slist/senum from IDL
Patch: Jens Geyer

This closes #2615
diff --git a/test/SmallTest.thrift b/test/SmallTest.thrift
index d0821c7..955cdc9 100644
--- a/test/SmallTest.thrift
+++ b/test/SmallTest.thrift
@@ -24,12 +24,6 @@
   1: i32 val = 325;
 }
 
-senum Thinger {
-  "ASDFKJ",
-  "r32)*F#@",
-  "ASDFLJASDF"
-}
-
 struct BoolPasser {
   1: bool value = 1
 }
@@ -52,6 +46,10 @@
   3: map<i32, map<i32,i32>> complexer,
 }
 
+struct Thinger {
+  1: i32 dummy
+}
+
 service SmallService {
   Thinger testThinger(1:Thinger bootz),
   Hello testMe(1:i32 hello=64, 2: Hello wonk) throws (1: Goodbye g),