build/dotprod: removing sse4 version of dotprod_rrrf
build/dotprod: removing sse4 version of dotprod_rrrf

  * causing compile errors on certain machines
  * since I have no way to reproduce results, I'm falling back to
    regular SSE3 version
  * SSE3 version nearly just as fast
  * dotprod_rrrf not commonly used anyway

andrepuschmann/liquid-dsp,jgaeddert/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,manuts/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,manuts/liquid-dsp,cjcliffe/liquid-dsp,JayKickliter/liquid-dsp,wangning223/liquid-dsp,JayKickliter/liquid-dsp,manuts/liquid-dsp,andrepuschmann/liquid-dsp,cjcliffe/liquid-dsp,jgaeddert/liquid-dsp,wangning223/liquid-dsp,wangning223/liquid-dsp,jgaeddert/liquid-dsp,biotrump/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,cjcliffe/liquid-dsp,manuts/liquid-dsp,andrepuschmann/liquid-dsp,biotrump/liquid-dsp,biotrump/liquid-dsp,wangning223/liquid-dsp,jgaeddert/liquid-dsp,cjcliffe/liquid-dsp,JayKickliter/liquid-dsp