feat: use rosu-mods (#36)

* use rosu-mods

* apply values from DifficultyAdjust mod

* minor doc addition

* consider Blinds mod in perf calc

src/util/mod.rs

@@ -2,7 +2,6 @@ pub mod float_ext;
 pub mod generic_fmt;
 pub mod limited_queue;
 pub mod map_or_attrs;
-pub mod mods;
 pub mod random;
 pub mod sort;
 pub mod strains_vec;

src/util/mods.rs

@@ -1,53 +0,0 @@
-pub trait Mods: Copy {
-    fn nf(self) -> bool;
-    fn ez(self) -> bool;
-    fn td(self) -> bool;
-    fn hd(self) -> bool;
-    fn hr(self) -> bool;
-    fn dt(self) -> bool;
-    fn rx(self) -> bool;
-    fn ht(self) -> bool;
-    fn fl(self) -> bool;
-    fn so(self) -> bool;
-
-    fn clock_rate(self) -> f64 {
-        if self.dt() {
-            1.5
-        } else if self.ht() {
-            0.75
-        } else {
-            1.0
-        }
-    }
-
-    fn od_ar_hp_multiplier(self) -> f64 {
-        if self.hr() {
-            1.4
-        } else if self.ez() {
-            0.5
-        } else {
-            1.0
-        }
-    }
-}
-
-macro_rules! impl_mods_fn {
-    ( $fn_name:ident, $bits:expr ) => {
-        fn $fn_name(self) -> bool {
-            self & ($bits) != 0
-        }
-    };
-}
-
-impl Mods for u32 {
-    impl_mods_fn!(nf, 1 << 0);
-    impl_mods_fn!(ez, 1 << 1);
-    impl_mods_fn!(td, 1 << 2);
-    impl_mods_fn!(hd, 1 << 3);
-    impl_mods_fn!(hr, 1 << 4);
-    impl_mods_fn!(dt, 1 << 6);
-    impl_mods_fn!(rx, 1 << 7);
-    impl_mods_fn!(ht, 1 << 8);
-    impl_mods_fn!(fl, 1 << 10);
-    impl_mods_fn!(so, 1 << 12);
-}