Revert "Added dd for buffering. Wil slow things down, but probably wo…

…n't dead lock. Ugly workaround."

This reverts commit 2a5c158.

Issue
JuliaLang/julia#22832
is fixed with
JuliaLang/julia#22886

src/fileio.jl

@@ -38,7 +38,7 @@ end
 
 function load(f::File{format"LAZ"})
     # read las from laszip, which decompresses to stdout
-    open(pipeline(`laszip -olas -stdout -i "$(filename(f))"`, `dd bs=2`), "r") do s
+    open(`laszip -olas -stdout -i "$(filename(f))"`) do s
         load(s)
     end
 end
@@ -80,7 +80,7 @@ end
 
 function save(f::File{format"LAZ"}, header::LasHeader, pointdata::Vector{T}) where T <: LasPoint
     # pipes las to laszip to write laz
-    open(pipeline(`dd bs=2`, `laszip -olaz -stdin -o "$(filename(f))"`), "w") do s
+    open(`laszip -olaz -stdin -o "$(filename(f))"`, "w") do s
         savebuf(s, header, pointdata)
     end
 end