Configure severity in globalconfig instead of editorconfig

.editorconfig

@@ -15,8 +15,6 @@ indent_size = 4
 insert_final_newline = true
 encoding = utf-8-bom
 
-# IDE0073: The file header is missing or not located at the top of the file
-dotnet_diagnostic.IDE0073.severity = error
 file_header_template = Copyright (c) .NET Foundation. All rights reserved.\nLicensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 # Xml project files
@@ -70,15 +68,6 @@ csharp_new_line_before_finally = true
 csharp_new_line_before_members_in_object_initializers = true
 csharp_new_line_before_members_in_anonymous_types = true
 
-# IDE0051: Remove unused private members
-dotnet_diagnostic.IDE0051.severity = warning
-
-# CS0219: Variable is assigned but its value is never used
-dotnet_diagnostic.CS0219.severity = warning
-
-# IDE0005: Using directive is unnecessary.
-dotnet_diagnostic.IDE0005.severity = warning
-
 # IDE0058
 csharp_style_unused_value_expression_statement_preference = discard_variable:none
 

eng/config/globalconfigs/Common.globalconfig

@@ -1,5 +1,8 @@
 is_global = true
 
+# CS0219: Variable is assigned but its value is never used
+dotnet_diagnostic.CS0219.severity = warning
+
 # CA1303: Do not pass literals as localized parameters
 dotnet_diagnostic.CA1303.severity = none
 
@@ -27,5 +30,14 @@ dotnet_diagnostic.CA2208.severity = none
 # CA2237: Mark ISerializable types with SerializableAttribute
 dotnet_diagnostic.CA2237.severity = none
 
+# IDE0005: Using directive is unnecessary.
+dotnet_diagnostic.IDE0005.severity = warning
+
+# IDE0051: Remove unused private members
+dotnet_diagnostic.IDE0051.severity = warning
+
+# IDE0073: The file header is missing or not located at the top of the file
+dotnet_diagnostic.IDE0073.severity = error
+
 # VSSDK002: The PackageRegistrationAttribute.AllowsBackgroundLoading should be set to true if and only if the package derives from AsyncPackage
 dotnet_diagnostic.VSSDK002.severity = suggestion