pwr: remove duplicate sed

component/proviewR/buildout.cfg

@@ -307,7 +307,6 @@ configure-command =
   sed -i "s#(cross_compile)#(cross_compile) ${:rpaths} #" ${:compile-dir}/xtt/exe/wb_ge/qt/link_rule.mk
   sed -i "/chmod a+x pkg_unpack.sh/a sed -i '/USER/,\$d' pkg_unpack.sh" ${:compile-dir}/src/exp/com/src/pwr_pkg.sh
   sed -i "s#cflags\s*:= -c#cflags    := ${:incdir} -c#" ${:compile-dir}/src/tools/bld/src/variables.mk
-  sed -i "s#cflags\s*:= -c#cflags    := ${:incdir} -c#" ${:compile-dir}/src/tools/bld/src/variables.mk
   sed -i "s#linkflags	:= \$(cross_compile) #linkflags	:= \$(cross_compile) ${:rpaths} #" ${:compile-dir}/src/tools/bld/src/variables.mk
   sed -i "s#cxxflags	:= \$(cflags)#cxxflags	:= -std=gnu++11 \$(cflags)#" ${:compile-dir}/src/tools/bld/src/variables.mk
   sed -i "s#\$(\$(pred))#\$(shell expr \$(word) - 1)#" ${:compile-dir}/src/tools/pwre/src/dir_symbols.mk