removed example.rs from Cargo.toml

Cargo.toml

@@ -81,10 +81,6 @@ dirs = "3.0.2"
 version = "0.25.1"
 features = ["bundled", "sqlcipher"]
 
-[[bin]]
-name = "example"
-path = "src/bin/example.rs"
-
 [[bin]]
 name = "lisp"
 path = "lisp/lisp.rs"