dsp crate: drop version dependency and remove boilerplate from cargo

.gitignore

@@ -1,2 +1,2 @@
-**/target
+/target
 .gdb_history

Cargo.toml

@@ -40,7 +40,7 @@ embedded-hal = "0.2.4"
 nb = "1.0.0"
 asm-delay = "0.9.0"
 enum-iterator = "0.6.0"
-dsp = { path = "dsp", version = "0.1.0" }
+dsp = { path = "dsp" }
 
 [dependencies.mcp23017]
 git = "https://github.com/mrd0ll4r/mcp23017.git"

dsp/Cargo.toml

@@ -4,7 +4,5 @@ version = "0.1.0"
 authors = ["Robert Jördens <rj@quartiq.de>"]
 edition = "2018"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 serde = { version = "1.0", features = ["derive"], default-features = false }