Fix Style/ClassMethodsDefinitions violations

lib/app_profiler/profile.rb

@@ -9,12 +9,14 @@ class UnsafeFilename < StandardError; end
     delegate    :[], to: :@data
     attr_reader :id, :context
 
-    # This function should not be called if `StackProf.results` returns nil.
-    def self.from_stackprof(data)
-      options = INTERNAL_METADATA_KEYS.map { |key| [key, data[:metadata]&.delete(key)] }.to_h
+    class << self
+      # This function should not be called if `StackProf.results` returns nil.
+      def from_stackprof(data)
+        options = INTERNAL_METADATA_KEYS.map { |key| [key, data[:metadata]&.delete(key)] }.to_h
 
-      new(data, **options).tap do |profile|
-        raise ArgumentError, "invalid profile data" unless profile.valid?
+        new(data, **options).tap do |profile|
+          raise ArgumentError, "invalid profile data" unless profile.valid?
+        end
       end
     end
 

lib/app_profiler/storage/base_storage.rb

@@ -6,12 +6,14 @@ class BaseStorage
       class_attribute :bucket_name, default: "profiles"
       class_attribute :credentials, default: {}
 
-      def self.upload(_profile)
-        raise NotImplementedError
-      end
+      class << self
+        def upload(_profile)
+          raise NotImplementedError
+        end
 
-      def self.enqueue_upload(_profile)
-        raise NotImplementedError
+        def enqueue_upload(_profile)
+          raise NotImplementedError
+        end
       end
     end
   end

lib/app_profiler/viewer/speedscope_remote_viewer/base_middleware.rb

@@ -56,8 +56,10 @@ class Sanitizer < Rails::HTML::Sanitizer.best_supported_vendor.safe_list_sanitiz
 
         private_constant(:Sanitizer)
 
-        def self.id(file)
-          file.basename.to_s.delete_suffix(".json")
+        class << self
+          def id(file)
+            file.basename.to_s.delete_suffix(".json")
+          end
         end
 
         def initialize(app)