test: remove indirect script for json.test

configure.ac

@@ -256,6 +256,6 @@ AC_CONFIG_FILES([
     Doxyfile
     Makefile
     test/Makefile
-    test/json.test.actual
 ])
+AC_CONFIG_FILES([test/json.test], [chmod a+x test/json.test])
 AC_OUTPUT

test/.gitignore

@@ -5,7 +5,7 @@
 /float
 /hton
 /ip
-/json.test.actual
+/json.test
 /json/types
 /*.log
 /maths/maths

test/json.test

@@ -1,8 +0,0 @@
-#!/bin/sh
-
-## This is just an ugly hack to pass execution from a known exectuable
-## application to the test application. config.status won't preserve
-## executable bits on the new file, so we can't just use the generated test
-## application directly.
-
-/bin/sh `dirname $0`/json.test.actual "$@"