Remove references to obsolete ThirdPartyProject.prop

Change-Id: I29e482421ce6976f9065e6fe4cd1e527a0e2c60d
diff --git a/README.android b/README.android
index e93fb00..3583301 100644
--- a/README.android
+++ b/README.android
@@ -23,7 +23,6 @@
 
 2) Update the variables in openssl.config and openssl.version as appropriate.
    At the very least you will need to update the openssl.version.
-   Similarly update ThirdPartyProject.prop.
 
 3) Run:
 
diff --git a/openssl.version b/openssl.version
index 126c023..1616021 100644
--- a/openssl.version
+++ b/openssl.version
@@ -1,2 +1 @@
-# also update ThirdPartyProject.prop
 OPENSSL_VERSION=1.0.1c