Revert addition of conan_sources and conan_export

The addition of conan_sources and conan_export
allows users to upload Conan packages with those
files but cause errors on package uploads that
do not include those files.

The change is reverted until the bug can be fixed.

ee/app/models/packages/conan/file_metadatum.rb

@@ -18,7 +18,7 @@ class Packages::Conan::FileMetadatum < ApplicationRecord
 
   enum conan_file_type: { recipe_file: 1, package_file: 2 }
 
-  RECIPE_FILES = %w[conanfile.py conanmanifest.txt conan_sources.tgz conan_export.tgz].freeze
+  RECIPE_FILES = %w[conanfile.py conanmanifest.txt].freeze
   PACKAGE_FILES = %w[conaninfo.txt conanmanifest.txt conan_package.tgz].freeze
   PACKAGE_BINARY = 'conan_package.tgz'
 

ee/changelogs/unreleased/210550-revert-updates.yml

+---
+title: Revert breaking changes to allow conan_sources.tgz and conan_export.tgz files
+  in the Conan repository
+merge_request: 33435
+author:
+type: fixed

ee/spec/requests/api/conan_packages_spec.rb

@@ -419,9 +419,7 @@ describe API::ConanPackages do
 
       let(:params) do
         { "conanfile.py": 24,
-          "conanmanifext.txt": 123,
-          "conan_sources.tgz": 523,
-          "conan_export.tgz": 432 }
+          "conanmanifext.txt": 123 }
       end
 
       subject { post api("/packages/conan/v1/conans/#{recipe_path}/upload_urls"), params: params, headers: headers }
@@ -433,9 +431,7 @@ describe API::ConanPackages do
 
         expected_response = {
           'conanfile.py':      "#{Settings.gitlab.base_url}/api/v4/packages/conan/v1/files/#{package.conan_recipe_path}/0/export/conanfile.py",
-          'conanmanifest.txt': "#{Settings.gitlab.base_url}/api/v4/packages/conan/v1/files/#{package.conan_recipe_path}/0/export/conanmanifest.txt",
-          'conan_sources.tgz': "#{Settings.gitlab.base_url}/api/v4/packages/conan/v1/files/#{package.conan_recipe_path}/0/export/conan_sources.tgz",
-          'conan_export.tgz': "#{Settings.gitlab.base_url}/api/v4/packages/conan/v1/files/#{package.conan_recipe_path}/0/export/conan_export.tgz"
+          'conanmanifest.txt': "#{Settings.gitlab.base_url}/api/v4/packages/conan/v1/files/#{package.conan_recipe_path}/0/export/conanmanifest.txt"
         }
 
         expect(response.body).to eq(expected_response.to_json)