Log Message:
Update mlterm to 3.3.6.

pkgsrc changes:
 - remove post-3.3.5 fix patches

Changes noted in doc/en/ReleaseNote:

ver 3.3.6
* Support fcitx. (Experimental)
* Support scrollbar on Android.
* Remove the original "simple" scrollbar and link "sample" \ 
scrollbar statically
  to mlterm as "simple" one. Rename "sample2" scrollbar to \ 
"sample".
* Bug fixes:
  Fix partially corrupt screen in drawing animation gif.
  Fix https://twitter.com/yoshikaw/status/462125454107738112
  Fix corrupt screen in drawing large images.
  Fix https://twitter.com/kefir_/status/467340224628924416
  Fix the corrupt scrolling in vertical mode.