Revert "gcov build failures during container build but not interactive"

This reverts commit ada19484.

ShellB3/shallbethree.sh

@@ -7248,7 +7248,7 @@ mk__gcc() {
   fi
   CXXFLAGS="$(omitparameter -stdlib=libc++ 0 ${CXXFLAGS})" CPPFLAGS="$(omitparameter -stdlib=libc++ 0 ${CPPFLAGS}) $( isDarwin && echo -DHAVE_FCNTL_H=1 -DHAVE_SPAWN_H=1)" \
-    _configure_make_install ${NAMESRCPATH} --disable-gcov --with-gmp=${BASE} --with-mpfr=${BASE} \
+    _configure_make_install ${NAMESRCPATH} --with-gmp=${BASE} --with-mpfr=${BASE} \
       --with-mpc=${BASE} --bindir=${BASE}/sysbin --disable-libgcj --with-isl=${BASE} --enable-checking=release \
       --disable-multilib --enable-languages=${LANGS} ${EXTRAPARMS} "$@"