revlog: skip opener options to pass compression_engine value

We can directly set the option in the config object now.

mercurial/localrepo.py

@@ -1149,7 +1149,7 b' def resolverevlogstorevfsoptions(ui, req'
         # The compression used for new entries will be "the last one"
         prefix = r.startswith
         if prefix(b'revlog-compression-') or prefix(b'exp-compression-'):
-            options[b'compengine'] = r.split(b'-', 2)[2]
+            feature_config.compression_engine = r.split(b'-', 2)[2]
 
     options[b'zlib.level'] = ui.configint(b'storage', b'revlog.zlib.level')
     if options[b'zlib.level'] is not None:

mercurial/revlog.py

@@ -628,8 +628,6 b' class revlog:'
         else:
             new_header = REVLOG_DEFAULT_VERSION
 
-        if b'compengine' in opts:
-            self.feature_config.compression_engine = opts[b'compengine']
         comp_engine_opts = self.feature_config.compression_engine_options
         if b'zlib.level' in opts:
             comp_engine_opts[b'zlib.level'] = opts[b'zlib.level']