software/theia: execute theia start directly

Running theia with yarn start cause PATHs like this to be
added to $PATH

/srv/slapgrid/slappart15/tmp/yarn--1675226243379-0.20314216826775944/node

component/theia/buildout.cfg

@@ -81,7 +81,7 @@ output = ${buildout:bin-directory}/${:_buildout_section_name_}
 inline =
   #!/bin/sh
   cd ${theia:location}
-  exec ${yarn:location}/bin/yarn theia start "$@"
+  exec ${nodejs:location}/bin/node ${theia:location}/node_modules/.bin/theia start "$@"
 
 [theia-open]
 recipe = slapos.recipe.template

software/theia/buildout.hash.cfg

@@ -15,7 +15,7 @@
 
 [instance-theia]
 _update_hash_filename_ = instance-theia.cfg.jinja.in
-md5sum = 1ce84f4dc3c1732051b841a7a3e24ae0
+md5sum = 3648844f372a96974582e7281c9987dd
 
 [instance]
 _update_hash_filename_ = instance.cfg.in

software/theia/instance-theia.cfg.jinja.in

@@ -601,8 +601,6 @@ output = $${directory:bin}/$${:_buildout_section_name_}
 inline =
   #!/bin/sh
   . $${common-environment:output}
-  #XXX find out where the extra nodejs in theia's PATH comes from
-  export PATH=${nodejs:location}/bin/:$PATH
   . $${slapos-standalone-activate:output}
   exec $${slapos-standalone-script:output}