remove ENABLE_NASM and CMAKE_MODULE_PATH libavif cmake args

ENABLE_NASM=ON is unnecessary...it forces the use of nasm over yasm if
both are available, but only nasm is installed in the wheel build
environments. And CMAKE_MODULE_PATH was only necessary when we used
pre-built rav1e binaries.

Author: fdintino

.github/workflows/wheels-dependencies.sh

@@ -149,8 +149,6 @@ function build_libavif {
             -DCONFIG_AV1_DECODER=0 \
             -DAVIF_CODEC_AOM_DECODE=OFF \
             -DAVIF_CODEC_DAV1D=LOCAL \
-            -DENABLE_NASM=ON \
-            -DCMAKE_MODULE_PATH=/tmp/cmake/Modules \
             . \
         && make install)
     touch libavif-stamp