Drop Dragonegg from the release export script

Follow-up to r236077.

llvm-svn: 236081
diff --git a/llvm/utils/release/export.sh b/llvm/utils/release/export.sh
index 4da5fe4..9aee306 100755
--- a/llvm/utils/release/export.sh
+++ b/llvm/utils/release/export.sh
@@ -14,7 +14,7 @@
 
 set -e
 
-projects="llvm cfe dragonegg test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
+projects="llvm cfe test-suite compiler-rt libcxx libcxxabi clang-tools-extra polly lldb lld openmp"
 base_url="https://llvm.org/svn/llvm-project"
 
 release=""