rust: Automatically generated Clippy fixes for the tools only

Clippy settings:

[workspace.lints.clippy]
cognitive_complexity = "warn"
dbg_macro = "warn"
debug_assert_with_mut_call = "warn"
doc_link_with_quotes = "warn"
doc_markdown = "warn"
empty_line_after_outer_attr = "warn"
empty_structs_with_brackets = "warn"
float_cmp = "warn"
float_cmp_const = "warn"
float_equality_without_abs = "warn"
missing_const_for_fn = "warn"
missing_errors_doc = "warn"
mod_module_files = "warn"
option_if_let_else = "warn"
similar_names = "warn"
suspicious_operation_groupings = "warn"
unused_self = "warn"
use_debug = "warn"
used_underscore_binding = "warn"
useless_let_if_seq = "warn"
wildcard_dependencies = "warn"
wildcard_imports = "warn"

Command used:

  $ cargo +nightly clippy --fix

Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

rust/cpacfinfo/src/main.rs

@@ -135,10 +135,7 @@ fn main() -> anyhowRes<()> {
 
     /* ---- GET INFORMATION ---- */
     // get stfle bits
-    let stfle_bits = match Stfle::new() {
-        Ok(stfle) => stfle,
-        Err(e) => return Err(e),
-    };
+    let stfle_bits = Stfle::new()?;
 
     // check stfle bits for available MSA levels
     for lvl in &mut levels {