Removed OO-nonsense from specs

notes/arch.md

     [ STM ]
 
        | 1      parse_head()        # parse text and fill out metadata properties
-       |        gen_sts(stm,args)   # generate a number of STS from a STM
-       |                            # * stm - STM object
+       |        gen_sts(args)       # generate a number of STS from a STM
        |                            # * args - args specify ranges from where
        |                            #          STMs are generated; typically
        |                            #          Cartesian product