get rid of unused drv-i2c-devices dep

Author: hawkw

Cargo.lock

@@ -7,7 +7,6 @@ edition = "2024"
 microcbor = { path = "../microcbor" }
 fixedstr = { path = "../fixedstr", features = ["microcbor"] }
 drv-cpu-power-state = { path = "../../drv/cpu-power-state", features = ["microcbor"] }
-drv-i2c-devices = { path = "../../drv/i2c-devices" }
 
 [lints]
 workspace = true