BUGFIX GEMMARAT: fixes input bug with frequent drops of inputs from 2 input loops

CLEANUP: remove unused imports, _ unused variables

gemma/src/constants.rs

@@ -1,7 +1,3 @@
-use std::borrow::ToOwned;
-use std::clone::Clone;
-use std::net::ToSocketAddrs;
-use std::string::ToString;
 
 pub const CHIP8_REGISTER_COUNT: i32 = 16;
 pub const CHIP8_MEMORY_SIZE: i32 = 4096i32;