meson,configure: remove unused HAVE_ETNAVIV define

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Dylan Baker <dylan@pnwbakers.com>

configure.ac

@@ -431,9 +431,6 @@ if test "x$VC4" = xyes; then
 fi
 
 AM_CONDITIONAL(HAVE_ETNAVIV, [test "x$ETNAVIV" = xyes])
-if test "x$ETNAVIV" = xyes; then
-	AC_DEFINE(HAVE_ETNAVIV, 1, [Have etnaviv support])
-fi
 
 AM_CONDITIONAL(HAVE_INSTALL_TESTS, [test "x$INSTALL_TESTS" = xyes])
 

meson.build

@@ -255,7 +255,7 @@ foreach t : [[with_intel, 'INTEL'], [with_vmwgfx, 'VMWGFX'],
              [with_nouveau, 'NOUVEAU'],
              [with_exynos, 'EXYNOS'],
              [with_vc4, 'VC4'],
-             [with_etnaviv, 'ETNAVIV'], [with_radeon, 'RADEON']]
+             [with_radeon, 'RADEON']]
   if t[0]
     config.set10('HAVE_@0@'.format(t[1]), true)
   endif