update outdated README

README.md

@@ -1,22 +1,4 @@
 ```
-cargo run --bin blake --release
-```
-
-```
-cargo run --bin sha256 --release
-```
-
-```
-cargo run --bin mimc --release
-```
-
-```
-cargo run --bin zec --release
-```
-
-# Compiler
-
-```
-python scripts/parser.py proofs/sapling3.prf | rustfmt
+./run_jubjub2.sh
 ```