disable implicit sinkinference for stdlibs (#24803)

ref #24794

Author: ringabout

lib/system/inclrtl.nim

@@ -46,5 +46,3 @@ else:
   {.pragma: compilerRtl, compilerproc.}
 
 {.pragma: benign, gcsafe.}
-
-{.push sinkInference: on.}