Remove old unused functions

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Some functions (mostly in op_asm.c) are not used anymore because we 
disabled "assembly optimisations" (and there is no assembly code anymore). 
We should find and remove them, however, some of their C counterparts are 
broken (Floyd Steinberg dithering doesn't look at all how it should, for 
example.
So, maybe some of them would be handy to have around in some place ...

Original issue reported on code.google.com by pulkoma...@gmail.com on 12 Oct 2008 at 4:36

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Original comment by pulkoma...@gmail.com on 24 Dec 2008 at 4:16

• Added labels: Level-Easy

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Some other functions that are of no real use :

  * Wait_VBL (still called in some places, we have to find a good way to replace it)
  * Lire_octet (may be still used, but must be replaced by read_bytes. Different 
error handling in these two functions)

Original comment by pulkoma...@gmail.com on 4 Jan 2009 at 8:47

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Wait_VBL can probably be replaced by SDL_Delay(20000) in most cases. Maybe we 
can do 
something better for the DESSIN_DISCONTINU (SDL_GetTicks+comparison).
None of the calls are really critical.

Original comment by pulkoma...@gmail.com on 14 Jan 2009 at 4:42

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Original comment by pulkoma...@gmail.com on 7 Apr 2009 at 1:09

• Added labels: Milestone-2.1

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Fixed in r799

Original comment by pulkoma...@gmail.com on 12 May 2009 at 6:02

• Changed state: Fixed