A bunch more libsnark deletions/updates

src/zcbenchmarks.cpp

@@ -1,3 +1,5 @@
+// Copyright (c) 2019-2020 The Hush developers
+
 #include <cstdio>
 #include <future>
 #include <map>
@@ -91,24 +93,6 @@ double benchmark_sleep()
     return timer_stop(tv_start);
 }
 
-double benchmark_parameter_loading()
-{
-    // FIXME: this is duplicated with the actual loading code
-    boost::filesystem::path pk_path = ZC_GetParamsDir() / "sprout-proving.key";
-    boost::filesystem::path vk_path = ZC_GetParamsDir() / "sprout-verifying.key";
-
-    struct timeval tv_start;
-    timer_start(tv_start);
-
-    auto newParams = ZCJoinSplit::Prepared(vk_path.string(), pk_path.string());
-
-    double ret = timer_stop(tv_start);
-
-    delete newParams;
-
-    return ret;
-}
-
 double benchmark_create_joinsplit()
 {
     uint256 joinSplitPubKey;
@@ -118,8 +102,7 @@ double benchmark_create_joinsplit()
 
     struct timeval tv_start;
     timer_start(tv_start);
-    JSDescription jsdesc(true,
-                         *pzcashParams,
+    JSDescription jsdesc(*pzcashParams,
                          joinSplitPubKey,
                          anchor,
                          {JSInput(), JSInput()},