Removed extensions namespace

Author: FlorianRappl

src/AngleSharp.Css/Dom/Internal/Rules/CssImportRule.cs

@@ -1,6 +1,5 @@
-namespace AngleSharp.Css.Dom
+namespace AngleSharp.Css.Dom
 {
-    using AngleSharp.Css.Extensions;
     using System;
     using System.IO;
 

src/AngleSharp.Css/Dom/Internal/Rules/CssNamespaceRule.cs

@@ -1,6 +1,5 @@
-namespace AngleSharp.Css.Dom
+namespace AngleSharp.Css.Dom
 {
-    using AngleSharp.Css.Extensions;
     using AngleSharp.Dom;
     using System;
     using System.IO;

src/AngleSharp.Css/Dom/StyleUtilityExtensions.cs

@@ -1,7 +1,6 @@
 namespace AngleSharp.Css.Dom
 {
     using AngleSharp.Attributes;
-    using AngleSharp.Css.Extensions;
     using AngleSharp.Dom;
 
     /// <summary>
@@ -16,31 +15,25 @@ public static class StyleUtilityExtensions
         /// </summary>
         [DomName("cascadedStyle")]
         [DomAccessor(Accessors.Getter)]
-        public static ICssStyleDeclaration GetCascadedStyle(this IPseudoElement element)
-        {
-            return element.Owner.DefaultView.GetStyleCollection().ComputeCascadedStyle(element);
-        }
+        public static ICssStyleDeclaration GetCascadedStyle(this IPseudoElement element) =>
+            element.Owner.DefaultView.GetStyleCollection().ComputeCascadedStyle(element);
 
         /// <summary>
         /// Gets a live CSS declaration block with only the default
         /// properties representing the value for the context object.
         /// </summary>
         [DomName("defaultStyle")]
         [DomAccessor(Accessors.Getter)]
-        public static ICssStyleDeclaration GetDefaultStyle(this IPseudoElement element)
-        {
-            return element.Owner.DefaultView.ComputeDefaultStyle(element);
-        }
+        public static ICssStyleDeclaration GetDefaultStyle(this IPseudoElement element) =>
+            element.Owner.DefaultView.ComputeDefaultStyle(element);
 
         /// <summary>
         /// Gets a live CSS declaration block with properties
         /// that represent the value computed for the context object.
         /// </summary>
         [DomName("rawComputedStyle")]
         [DomAccessor(Accessors.Getter)]
-        public static ICssStyleDeclaration GetRawComputedStyle(this IPseudoElement element)
-        {
-            return element.Owner.DefaultView.ComputeRawStyle(element);
-        }
+        public static ICssStyleDeclaration GetRawComputedStyle(this IPseudoElement element) =>
+            element.Owner.DefaultView.ComputeRawStyle(element);
     }
 }