chore(Cargo.toml): remove incremental = true because it uses too much disk space

Author: Boshen

Cargo.toml

@@ -244,4 +244,3 @@ codegen-units = 256 # Compile faster
 lto = "thin" # Faster compile time with thin LTO
 debug-assertions = true # Make sure `debug_assert!`s pass
 overflow-checks = true # Catch arithmetic overflow errors
-incremental = true