xstatconv: drop useless hidden code
xstatconv: drop useless hidden code

The xstatconv.h header already sets up hidden prototypes for us, so no
need to duplicate the code.

Signed-off-by: Mike Frysinger <8f3f75c74bd5184edcfa6534cab3c13a00a2f794@gentoo.org>

kraj/uclibc-ng,kraj/uClibc,majek/uclibc-vx32,m-labs/uclibc-lm32,OpenInkpot-archive/iplinux-uclibc,skristiansson/uClibc-or1k,m-labs/uclibc-lm32,groundwater/uClibc,ddcc/klee-uclibc-0.9.33.2,foss-for-synopsys-dwc-arc-processors/uClibc,skristiansson/uClibc-or1k,ndmsystems/uClibc,czankel/xtensa-uclibc,ffainelli/uClibc,ffainelli/uClibc,kraj/uClibc,skristiansson/uClibc-or1k,waweber/uclibc-clang,ffainelli/uClibc,ndmsystems/uClibc,majek/uclibc-vx32,majek/uclibc-vx32,brgl/uclibc-ng,atgreen/uClibc-moxie,foss-for-synopsys-dwc-arc-processors/uClibc,hjl-tools/uClibc,brgl/uclibc-ng,wbx-github/uclibc-ng,ndmsystems/uClibc,kraj/uclibc-ng,ysat0/uClibc,hwoarang/uClibc,gittup/uClibc,atgreen/uClibc-moxie,ddcc/klee-uclibc-0.9.33.2,hwoarang/uClibc,m-labs/uclibc-lm32,groundwater/uClibc,OpenInkpot-archive/iplinux-uclibc,hwoarang/uClibc,ysat0/uClibc,majek/uclibc-vx32,ysat0/uClibc,OpenInkpot-archive/iplinux-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,groundwater/uClibc,hjl-tools/uClibc,czankel/xtensa-uclibc,skristiansson/uClibc-or1k,ffainelli/uClibc,ddcc/klee-uclibc-0.9.33.2,hjl-tools/uClibc,brgl/uclibc-ng,foss-xtensa/uClibc,waweber/uclibc-clang,m-labs/uclibc-lm32,mephi42/uClibc,ddcc/klee-uclibc-0.9.33.2,waweber/uclibc-clang,waweber/uclibc-clang,kraj/uClibc,kraj/uclibc-ng,wbx-github/uclibc-ng,gittup/uClibc,atgreen/uClibc-moxie,foss-xtensa/uClibc,groundwater/uClibc,hjl-tools/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,ffainelli/uClibc,foss-xtensa/uClibc,gittup/uClibc,gittup/uClibc,atgreen/uClibc-moxie,mephi42/uClibc,kraj/uClibc,czankel/xtensa-uclibc,brgl/uclibc-ng,ysat0/uClibc,groundwater/uClibc,wbx-github/uclibc-ng,ndmsystems/uClibc,wbx-github/uclibc-ng,kraj/uclibc-ng,hjl-tools/uClibc,hwoarang/uClibc,mephi42/uClibc,mephi42/uClibc,czankel/xtensa-uclibc,OpenInkpot-archive/iplinux-uclibc,foss-xtensa/uClibc