Ignore clipboard tests from CI (#572)

* Disable clipboard tests in CI.

As Linux cannot access X11 and therefore the clipboard tests would fail.

* Remove release-plz workflow.

crates/account_extras/build.rs

@@ -2,6 +2,7 @@ use rustc_version::{version_meta, Channel};
 
 fn main() {
     println!("cargo::rustc-check-cfg=cfg(CHANNEL_NIGHTLY)");
+    println!("cargo::rustc-check-cfg=cfg(NOT_CI)");
 
     // Set cfg flags depending on release channel
     let channel = match version_meta().unwrap().channel {
@@ -10,5 +11,10 @@ fn main() {
         Channel::Nightly => "CHANNEL_NIGHTLY",
         Channel::Dev => "CHANNEL_DEV",
     };
-    println!("cargo:rustc-cfg={}", channel)
+    println!("cargo:rustc-cfg={}", channel);
+    if option_env!("CI").is_some() {
+        println!("cargo:rustc-cfg={}", "CI")
+    } else {
+        println!("cargo:rustc-cfg={}", "NOT_CI")
+    }
 }

crates/account_extras/tests/clipboard.rs

@@ -1,6 +1,6 @@
 use anyhow::Result;
 
-#[cfg(feature = "clipboard")]
+#[cfg(all(feature = "clipboard", NOT_CI))]
 #[tokio::test]
 async fn clipboard() -> Result<()> {
     // NOTE: we must run these tests in serial