Remove some unnecessary files

libretro-db/check_style

@@ -1,7 +0,0 @@
-#!/bin/bash
-uncrustify -c uncrustify.cfg *.c *.h
-for f in *.uncrustify; do
-	source_file=$(basename "$f" .uncrustify);
-	cmp "$source_file" "$f" || (read -p "Style violations in '$source_file'" && vimdiff "$source_file" "$f");
-done;
-rm -f *.uncrustify

libretro-db/crustydiff

@@ -1,2 +0,0 @@
-#!/bin/sh
-uncrustify -c uncrustify.cfg "$1" && vimdiff "$1" "$1.uncrustify"

libretro-db/uncrustify

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-uncrustify -c uncrustify.cfg --replace $*