fix: Remove strict linting from generated code

fix #4733

Author: MingweiSamuel

clap_derive/src/derives/args.rs

@@ -111,7 +111,6 @@ pub fn gen_for_struct(
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::FromArgMatches for #item_name #ty_generics #where_clause {
             fn from_arg_matches(__clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
                 Self::from_arg_matches_mut(&mut __clap_arg_matches.clone())
@@ -147,7 +146,6 @@ pub fn gen_for_struct(
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::Args for #item_name #ty_generics #where_clause {
             fn group_id() -> Option<clap::Id> {
                 #group_id

clap_derive/src/derives/into_app.rs

@@ -38,7 +38,6 @@ pub fn gen_for_struct(item: &Item, item_name: &Ident, generics: &Generics) -> To
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::CommandFactory for #item_name #ty_generics #where_clause {
             fn command<'b>() -> clap::Command {
                 let #app_var = clap::Command::new(#name);
@@ -75,7 +74,6 @@ pub fn gen_for_enum(item: &Item, item_name: &Ident, generics: &Generics) -> Toke
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::CommandFactory for #item_name #ty_generics #where_clause {
             fn command<'b>() -> clap::Command {
                 let #app_var = clap::Command::new(#name)

clap_derive/src/derives/subcommand.rs

@@ -82,7 +82,6 @@ pub fn gen_for_enum(
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::FromArgMatches for #item_name #ty_generics #where_clause {
             fn from_arg_matches(__clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
                 Self::from_arg_matches_mut(&mut __clap_arg_matches.clone())
@@ -109,7 +108,6 @@ pub fn gen_for_enum(
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl #impl_generics clap::Subcommand for #item_name #ty_generics #where_clause {
             fn augment_subcommands <'b>(__clap_app: clap::Command) -> clap::Command {
                 #augmentation

clap_derive/src/derives/value_enum.rs

@@ -67,7 +67,6 @@ pub fn gen_for_enum(item: &Item, item_name: &Ident, variants: &[(&Variant, Item)
             clippy::suspicious_else_formatting,
             clippy::almost_swapped,
         )]
-        #[deny(clippy::correctness)]
         impl clap::ValueEnum for #item_name {
             #value_variants
             #to_possible_value