some more cleanup (#2)

.github/workflows/main.yml

@@ -2,7 +2,7 @@ name: .NET Build and Publish
 
 on:
   push:
-    branches: ["main"] 
+    branches: ["master"] 
 
 jobs:
   build:

System.DoubleNumerics.sln.DotSettings

@@ -1,2 +0,0 @@
-<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:String x:Key="/Default/CustomTools/CustomToolsData/@EntryValue">ExternalToolData|CSharpier|csharpier||csharpier|$FILE$</s:String></wpf:ResourceDictionary>