squash: remove n/a

Author: arielvalentin

instrumentation/ethon/lib/opentelemetry/instrumentation/ethon/patches/old/easy.rb

@@ -69,7 +69,7 @@ def reset
             end
 
             def otel_before_request
-              method = 'N/A' # Could be GET or not HTTP at all
+              method = '_OTHER' # Could be GET or not HTTP at all
               method = @otel_method if instance_variable_defined?(:@otel_method) && !@otel_method.nil?
 
               normalized_method, _original_method = HttpHelper.normalize_method(method)