THRIFT-4951: Remove senum from tests

Senum are unsupported since 0.9.1.

This closes #1868.
diff --git a/test/AnnotationTest.thrift b/test/AnnotationTest.thrift
index 7e24e1c..6238395 100644
--- a/test/AnnotationTest.thrift
+++ b/test/AnnotationTest.thrift
@@ -49,14 +49,6 @@
   SATURDAY ( weekend = "yes" )
 } (foo.bar="baz")
 
-/* Note that annotations on senum values are not supported. */
-senum seasons {
-  "Spring",
-  "Summer",
-  "Fall",
-  "Winter"
-} ( foo = "bar" )
-
 struct ostr_default {
   1: i32 bar;
 }
diff --git a/test/SmallTest.thrift b/test/SmallTest.thrift
index d0821c7..891bd6a 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
 }
@@ -53,7 +47,6 @@
 }
 
 service SmallService {
-  Thinger testThinger(1:Thinger bootz),
   Hello testMe(1:i32 hello=64, 2: Hello wonk) throws (1: Goodbye g),
   void testVoid() throws (1: Goodbye g),
   i32 testI32(1:i32 boo)