Doc: remove bogus instruction to install contrib/hstore.

This test suite does not use hstore.  Looks like this text
was copied-and-pasted from src/test/subscription/README.

diff --git a/src/test/icu/README b/src/test/icu/README
index cfc9353dffe40052c1618bcedc35225bd727b7d6..c257af1950bb3105056927198bc152730d858271 100644 (file)
--- a/src/test/icu/README
+++ b/src/test/icu/README
@@ -9,8 +9,6 @@ Running the tests
 =================
 
 NOTE: You must have given the --enable-tap-tests argument to configure.
-Also, to use "make installcheck", you must have built and installed
-contrib/hstore in addition to the core code.
 
 Run
     make check