Remove unused log

jiegec · jiegec · commit 9000f02d6180 · 2020-06-20T09:41:24.000+08:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -12,7 +12,6 @@ license = "ISC"
 bare-metal = "0.2.5"
 bitflags = "1.0"
 bit_field = "0.10.0"
-log = "0.4"
 
 [build-dependencies]
 riscv-target = "0.1.2"
