Remove redundant libx264 preset files

These are available via -preset or -vprofile and the addition of
-qp 0 or -crf 0 if lossless is desired.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

presets/libx264-baseline.ffpreset

@@ -1 +0,0 @@
-vprofile=baseline

presets/libx264-fast.ffpreset

@@ -1 +0,0 @@
-preset=fast

presets/libx264-fast_firstpass.ffpreset

@@ -1,2 +0,0 @@
-preset=fast
-fastfirstpass=1

presets/libx264-faster.ffpreset

@@ -1 +0,0 @@
-preset=faster

presets/libx264-faster_firstpass.ffpreset

@@ -1,2 +0,0 @@
-preset=faster
-fastfirstpass=1

presets/libx264-lossless_fast.ffpreset

@@ -1,2 +0,0 @@
-preset=fast
-qp=0

presets/libx264-lossless_max.ffpreset

@@ -1,2 +0,0 @@
-preset=placebo
-qp=0

presets/libx264-lossless_medium.ffpreset

@@ -1,2 +0,0 @@
-preset=medium
-qp=0

presets/libx264-lossless_slow.ffpreset

@@ -1,2 +0,0 @@
-preset=slow
-qp=0

presets/libx264-lossless_slower.ffpreset

@@ -1,2 +0,0 @@
-preset=slower
-qp=0