Remove Microsoft.SourceBuild.Intermediate from prebuilt baseline

Author: ellahathaway

eng/SourceBuildPrebuiltBaseline.xml

@@ -3,8 +3,6 @@
 
 <UsageData>
   <IgnorePatterns>
-    <UsagePattern IdentityGlob="Microsoft.SourceBuild.Intermediate.*" />
-
     <!-- Picks this up from the SDK. This is allowed for the repo build and won't be an issue with full VMR
          build because it will be retrieved from the N-1 artifacts. -->
     <UsagePattern IdentityGlob="Microsoft.NET.ILLink.Tasks/8.*" />