THRIFT-2512 lib/${language}/README.md

Client: cpp

remove README_SSL.md from EXTRA_DIST
diff --git a/lib/cpp/Makefile.am b/lib/cpp/Makefile.am
index 9810745..39b85b3 100755
--- a/lib/cpp/Makefile.am
+++ b/lib/cpp/Makefile.am
@@ -235,7 +235,6 @@
 
 EXTRA_DIST = \
              README.md \
-             README.SSL.md \
              thrift-nb.pc.in \
              thrift.pc.in \
              thrift-z.pc.in \