fix: resolve linter errors

Author: Deep0Thinking

Mathlib/MeasureTheory/Measure/Lebesgue/Basic.lean

@@ -88,10 +88,6 @@ theorem volume_real_Ico_of_le {a b : ℝ} (hab : a ≤ b) : volume.real (Ico a b
 @[simp]
 theorem volume_Icc {a b : ℝ} : volume (Icc a b) = ofReal (b - a) := by simp [volume_val]
 
-@[simp]
-theorem volume_uIcc {a b : ℝ} : volume (uIcc a b) = ofReal |b - a| := by
-  simp [uIcc, volume_Icc, max_sub_min_eq_abs]
-
 @[simp]
 theorem volume_real_Icc {a b : ℝ} : volume.real (Icc a b) = max (b - a) 0 := by
   simp [measureReal_def, ENNReal.toReal_ofReal']

Mathlib/Order/Interval/Set/UnorderedInterval.lean

@@ -377,7 +377,7 @@ lemma uIoo_subset_Ioo (ha : a₁ ∈ Icc a₂ b₂) (hb : b₁ ∈ Icc a₂ b₂
 @[simp] lemma nonempty_uIoo [DenselyOrdered α] : (uIoo a b).Nonempty ↔ a ≠ b := by
   simp [uIoo, eq_comm]
 
-@[simp] lemma nonempty_uIoc [DenselyOrdered α] : (uIoc a b).Nonempty ↔ a ≠ b := by
+@[simp] lemma nonempty_uIoc : (uIoc a b).Nonempty ↔ a ≠ b := by
   simp [uIoc, eq_comm]
 
 lemma uIoo_eq_union : uIoo a b = Ioo a b ∪ Ioo b a := by