remove unused span helpers

spec/support/span_helpers.rb

@@ -52,30 +52,6 @@ def description_of(actual) # rubocop:disable Lint/NestedMethodDefinition
   define_have_error_tag(:stack, Datadog::Tracing::Metadata::Ext::Errors::TAG_STACK)
   define_have_error_tag(:type, Datadog::Tracing::Metadata::Ext::Errors::TAG_TYPE)
 
-  # @param tags [Hash] key value pairs to tags/metrics to assert on
-  RSpec::Matchers.define :have_metadata do |tags|
-    match do |actual|
-      tags.all? do |key, value|
-        values_match? value, actual.get_tag(key)
-      end
-    end
-
-    match_when_negated do |actual|
-      if tags.respond_to?(:any?)
-        tags.any? do |key, value|
-          !values_match? value, actual.get_tag(key)
-        end
-      else
-        # Allows for `expect(span).to_not have_metadata('my.tag')` syntax
-        values_match? nil, actual.get_tag(tags)
-      end
-    end
-
-    def description_of(actual)
-      "Span with metadata #{actual.send(:meta).merge(actual.send(:metrics))}"
-    end
-  end
-
   RSpec::Matchers.define :a_span_with do |expected|
     match do |actual|
       actual.instance_of?(Datadog::Tracing::Span) &&
@@ -84,13 +60,4 @@ def description_of(actual)
         end
     end
   end
-
-  RSpec::Matchers.define :a_span_operation_with do |expected|
-    match do |actual|
-      actual.instance_of?(Datadog::Tracing::SpanOperation) &&
-        expected.all? do |key, value|
-          actual.__send__(key) == value
-        end
-    end
-  end
 end