Remove unneeded disjunction

Author: egregius313

csharp/ql/test/library-tests/frameworks/microsoft/aspnetcore/blazor/remoteFlowSource.ql

@@ -3,5 +3,5 @@ import semmle.code.csharp.security.dataflow.flowsources.Remote
 from RemoteFlowSource source, File f
 where
   source.getLocation().getFile() = f and
-  (f.fromSource() or f.getExtension() = "razor")
+  f.fromSource()
 select source, source.getSourceType()