chore: remove cuda as default

Author: dancixx

Cargo.toml

@@ -69,7 +69,7 @@ yahoo_finance_api = { version = "2.3.0", optional = true }
 
 [features]
 cuda = ["dep:cudarc", "dep:libloading"]
-default = ["cuda"]
+default = []
 jemalloc = ["dep:tikv-jemallocator"]
 malliavin = []
 mimalloc = ["dep:mimalloc"]