remove unused/pointless variables
remove unused/pointless variables

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