[dev-db/mongodb] remove unused patch

dev-db/mongodb/files/mongodb-5.0.29-clang.patch

@@ -1,14 +0,0 @@
-https://bugs.gentoo.org/829340
-diff --git a/SConstruct b/SConstruct
-index 7062a072de7..df14a73723c 100644
---- a/SConstruct
-+++ b/SConstruct
-@@ -1253,7 +1253,7 @@ envDict = dict(BUILD_ROOT=buildDir,
- if get_option('build-tools') == 'next':
-     SCons.Tool.DefaultToolpath.insert(0, os.path.abspath('site_scons/site_tools/next'))
- 
--env = Environment(variables=env_vars, **envDict)
-+env = Environment(variables=env_vars, ENV = {'PATH' : os.environ['PATH']}, **envDict)
- del envDict
- 
- if get_option('cache-signature-mode') == 'validate':