Revert "Bump required MSBuild version"

Author: Jason Zhai

src/Tests/Microsoft.NET.Sdk.Razor.Tests/BuildWithComponentsIntegrationTest.cs

@@ -12,7 +12,7 @@ public BuildWithComponentsIntegrationTest(ITestOutputHelper log) : base(log) {}
         [CoreMSBuildOnlyFact]
         public void Build_Components_WithDotNetCoreMSBuild_Works() => Build_ComponentsWorks();
 
-        [RequiresMSBuildVersionFact("17.10.0.8101")]
+        [RequiresMSBuildVersionFact("17.8.0.37606")]
         public void Build_Components_WithDesktopMSBuild_Works() => Build_ComponentsWorks();
 
         [Fact]