Clean up ROSLYN_XXX requirements

src/xunit.analyzers.tests/Analyzers/X1000/TheoryDataRowArgumentsShouldBeSerializableTests.cs

@@ -47,7 +47,7 @@ public sealed class TheoryDataRowArgumentsShouldBeSerializableTests
 	[InlineData("typeof(TheoryDataRow)", "Type")]
 	[InlineData("ConsoleColor.Red", "ConsoleColor")]
 	[InlineData("new Dictionary<string, List<string>>()", "Dictionary<string, List<string>>")]
-#if NET6_0_OR_GREATER && ROSLYN_4_4_OR_GREATER
+#if NET6_0_OR_GREATER
 	[InlineData("DateOnly.MinValue", "DateOnly")]
 	[InlineData("TimeOnly.MinValue", "TimeOnly")]
 #endif

src/xunit.analyzers.tests/Analyzers/X1000/TheoryDataTypeArgumentsShouldBeSerializableTests.cs

@@ -169,7 +169,7 @@ public class TheoryDataTypeArgumentsShouldBeSerializableTests
 		[MemberData(nameof(TheoryDataMembers), "SerializableEnumeration")]
 		[MemberData(nameof(TheoryDataMembers), "SerializableEnumeration?")]
 		[MemberData(nameof(TheoryDataMembers), "Dictionary<string, List<string>>")]
-#if NET6_0_OR_GREATER && ROSLYN_4_4_OR_GREATER
+#if NET6_0_OR_GREATER
 		[MemberData(nameof(TheoryDataMembers), "DateOnly")]
 		[MemberData(nameof(TheoryDataMembers), "DateOnly[]")]
 		[MemberData(nameof(TheoryDataMembers), "DateOnly?")]

src/xunit.analyzers.tests/Analyzers/X2000/AssertIsTypeShouldUseGenericOverloadTypeTests.cs

@@ -9,7 +9,7 @@ public class AssertIsTypeShouldUseGenericOverloadTypeTests
 {
 	public class StaticAbstractInterfaceMethods
 	{
-#if ROSLYN_4_4_OR_GREATER  // Static abstract methods are only supported on .NET with C# 11
+#if ROSLYN_4_4_OR_GREATER  // C# 11 is required for static abstract methods
 
 		const string methodCode = /* lang=c#-test */ "static abstract void Method();";
 		const string codeTemplate = /* lang=c#-test */ """

src/xunit.analyzers.tests/Analyzers/X2000/SetEqualityAnalyzerTests.cs

@@ -137,7 +137,7 @@ public class SetEqualityAnalyzerTests
 			await Verify.VerifyAnalyzer(LanguageVersion.CSharp7, [code, customSetAndComparer], expected);
 		}
 
-#if ROSLYN_4_4_OR_GREATER  // No C# 10 in Roslyn 3.11, so no local functions
+#if ROSLYN_4_4_OR_GREATER  // C# 10 is required for local functions
 
 		public static MatrixTheoryData<string, string, string, string> ComparerFunctionData() =>
 			new(

src/xunit.analyzers.tests/Fixes/X2000/AssertThrowsShouldNotBeUsedForAsyncThrowsCheckFixerTests.cs

@@ -151,7 +151,7 @@ public class AssertThrowsShouldNotBeUsedForAsyncThrowsCheckFixerTests
 		await VerifyCodeFix(beforeMethod, afterMethod);
 	}
 
-#if ROSLYN_4_4_OR_GREATER  // No C# 10 in Roslyn 3.11, so no anonymous lambda types
+#if ROSLYN_4_4_OR_GREATER  // C# 10 is required for anonymous lambda types
 
 	[Theory]
 	[MemberData(nameof(Assertions))]