remove needless @show

Author: nraynaud

src/LibGEOS.jl

@@ -95,7 +95,6 @@ export Point,
     query
 
 function transform_c_string(s::Cstring)::String
-    @show "freeing string"
     copy = unsafe_string(s)
     global _context
     GEOSFree_r(_context.ptr, Ptr{Cvoid}(s))