Drop regression test

The state returned by `sodium_crypto_generichash_init()` has to be
regarded as opaque byte string; neither its size nor its exact
structure are fixed, and actually vary for diffent libsodium versions.
Therefore we drop the test altogether.

diff --git a/ext/sodium/tests/bug78510.phpt b/ext/sodium/tests/bug78510.phpt
deleted file mode 100644 (file)
index dc7e478..0000000
--- a/ext/sodium/tests/bug78510.phpt
+++ /dev/null
@@ -1,14 +0,0 @@
---TEST--
-Bug #78510 (Partially uninitialized buffer returned by sodium_crypto_generichash_init())
---SKIPIF--
-<?php
-if (!extension_loaded("sodium")) print "skip extension not loaded";
-?>
---FILE--
-<?php
-$key = hex2bin('36be2998c85757e98c1abf3687c8db3a849a393701c05454023d9aba1096fd47');
-$y = sodium_crypto_generichash_init($key, 64);
-var_dump(bin2hex($y));
-?>
---EXPECT--
-string(768) "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"