minidom: Remove 'std' feature

The parser being used from rxml, `rxml::RawParser`, requires std, so it
doesn't make sense.

Signed-off-by: pep <pep@bouah.net>

minidom/CHANGELOG.md

@@ -1,4 +1,7 @@
 Version NEXT:
+  * Breaking:
+    * Removed 'std' feature for now because it makes build fail on
+      no-default-features.
   * Changes
     * Use thiserror for the error type. (!616)
 

minidom/Cargo.toml

@@ -21,9 +21,5 @@ edition = "2021"
 gitlab = { repository = "xmpp-rs/xmpp-rs" }
 
 [dependencies]
-rxml = { version = "0.13.1", default-features = false, features = ["compact_str"] }
+rxml = { version = "0.13.1", default-features = false, features = [ "std", "compact_str" ] }
 thiserror = "2.0"
-
-[features]
-default = [ "std" ]
-std = ["rxml/std"]