Small cleanup of build files.

Ix.NET/Source/Directory.build.props

@@ -1,5 +1,4 @@
-<Project>  
-  
+<Project>
   <PropertyGroup>
     <Product>$(AssemblyName) ($(TargetFramework))</Product>
     <Copyright>Copyright (c) .NET Foundation and Contributors.</Copyright>
@@ -9,22 +8,22 @@
     <PackageIconUrl>http://go.microsoft.com/fwlink/?LinkId=261274</PackageIconUrl>
     <PackageProjectUrl>http://go.microsoft.com/fwlink/?LinkId=261273</PackageProjectUrl>
     <PackageLicenseUrl>https://raw.githubusercontent.com/Reactive-Extensions/Rx.NET/master/Ix.NET/Source/license.txt</PackageLicenseUrl>
-    <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>    
+    <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)ReactiveX.snk</AssemblyOriginatorKeyFile>
     <NoWarn>$(NoWarn);1701;1702;CS1591</NoWarn>
     <DefaultLanguage>en-US</DefaultLanguage>
     <IsTestProject>$(MSBuildProjectName.Contains('Test'))</IsTestProject>
   </PropertyGroup>
-  
+
   <ItemGroup Condition="'$(IsTestProject)' != 'true' and '$(SourceLinkEnabled)' != 'false'">
-    <PackageReference Include="SourceLink.Create.CommandLine" Version="2.2.0" PrivateAssets="All" /> 
+    <PackageReference Include="SourceLink.Create.CommandLine" Version="2.2.0" PrivateAssets="All" />
   </ItemGroup>
-  
+
   <PropertyGroup>
     <NerdbankGitVersioningVersion>2.0.37-beta</NerdbankGitVersioningVersion>
   </PropertyGroup>
-  
+
   <ItemGroup>
     <PackageReference Include="Nerdbank.GitVersioning" Version="2.0.37-beta" PrivateAssets="all" />
   </ItemGroup>
@@ -38,4 +37,4 @@
       BeforeTargets="_GenerateRestoreProjectSpec"
       DependsOnTargets="GetBuildVersion"
       Condition=" '$(NerdbankGitVersioningTasksPath)' != '' " />
-</Project>
+</Project>

Ix.NET/Source/Directory.build.targets

@@ -1,9 +1,9 @@
-<Project>  
+<Project>
   <!-- This has to be set in targets as the default props will overwrite -->
   <PropertyGroup>
     <DebugType Condition="'$(IsTestProject)' != 'true'">embedded</DebugType>
   </PropertyGroup>
-  
+
   <!-- This props all need to be set in targets as they depend on the values set earlier -->
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.0'">
     <DefineConstants>$(DefineConstants);NO_ARRAY_EMPTY;NO_CODE_COVERAGE_ATTRIBUTE;CRIPPLED_REFLECTION;PLIB;SIGNED</DefineConstants>
@@ -17,5 +17,4 @@
   <PropertyGroup Condition="'$(TargetFramework)' == 'net46'">
     <DefineConstants>$(DefineConstants);HAS_APTCA;DESKTOPCLR;DESKTOPCLR46;SIGNED</DefineConstants>
   </PropertyGroup>
-  
-</Project>
+</Project>