remove some docstrings to save per actor memory

scripts/engine.cm

@@ -1,6 +1,6 @@
 (function engine() {  
 globalThis.cell = prosperon
-cell.DOC = cell.hidden.DOCSYM
+cell.DOC = Symbol()
 var ACTORDATA = cell.hidden.ACTORSYM
 ACTORDATA = '__ACTORDATA__' // TODO: implement the actual actorsym
 var SYSYM = '__SYSTEM__'
@@ -103,6 +103,7 @@ function disrupt(err)
 os.on(disrupt)
 
 var js = use_embed('js')
+
 var io = use_embed('io')
 
 if (!io.exists('.cell')) {
@@ -236,6 +237,9 @@ globalThis.use = function use(file, ...args) {
   
   return ret
 }
+globalThis.json = use('json')
+var time = use('time')
+var st_now = time.number()
 
 var shop = use('shop')
 var config = shop.load_config()
@@ -251,10 +255,8 @@ config.system.__proto__ = default_config
 
 ENETSERVICE = config.system.net_service
 REPLYTIMEOUT = config.system.reply_timeout
-
-globalThis.json = use('json')
+ 
 globalThis.text = use('text')
-var time = use('time')
 
 // Load actor-specific configuration
 function load_actor_config(program) {
@@ -333,7 +335,6 @@ stone.p = function(object)
 */
 
 var util = use('util')
-var math = use('math')
 var crypto = use('crypto')
 
 var HEADER = Symbol()
@@ -647,8 +648,6 @@ function turn(msg)
 
 load_actor_config(cell.args.program)
 
-log.console(`actor ${cell.args.program} is ${cell.args.main}`)
-
 actor_mod.register_actor(cell.id, turn, cell.args.main, config.system.ar_timer)
 
 if (config.system.actor_memory)
@@ -773,9 +772,6 @@ function enet_check()
 // Finally, run the program
 actor_mod.setname(cell.args.program)
 
-// Load actor-specific configuration before running
-
-
 var prog = null
 var progPath = cell.args.program
 
@@ -790,7 +786,6 @@ if (io.exists(progPath + ACTOR_EXT) && !io.is_directory(progPath + ACTOR_EXT)) {
 
 if (!prog)
   throw new Error(cell.args.program + " not found.");
-  
 
 var progDir = io.realdir(prog) + "/" + prog.substring(0, prog.lastIndexOf('/'))
 
@@ -803,7 +798,7 @@ var prog_script = `(function ${cell.args.program.name()}_start($_, arg) { var ar
 var val = js.eval(cell.args.program, prog_script)($_, cell.args.arg)
 if (val)
   throw new Error('Program must not return anything');
-  
+
 send_messages()
 
 })()