Remove some keywords.

Berrysoft · Berrysoft · commit 51b1066e6563 · 2023-09-11T12:26:02.000+08:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -10,12 +10,9 @@ categories = ["asynchronous", "filesystem", "network-programming"]
 keywords = [
     "async",
     "fs",
-    "io",
     "iocp",
     "io-uring",
-    "mio",
     "net",
-    "non-blocking",
 ]
 repository = "https://github.com/Berrysoft/compio"
 
