fix keywords

Author: pevers

nosleep-types/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2021"
 homepage = "https://github.com/pevers/nosleep"
 repository = "https://github.com/pevers/nosleep"
 license = "MIT"
-keywords = ["nosleep", "powersave", "caffeine", "prevent-sleep", "prevent-display-lock", "prevent-system-lock"]
+keywords = ["nosleep", "powersave", "caffeine", "prevent-sleep", "prevent-display-lock"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html