Seems some NetBSD 3.0 x86 systems still need float8-small-is-zero, so

patch reverted.

Author: bmomjian

src/test/regress/resultmap

@@ -1,8 +1,8 @@
 float4/i.86-pc-mingw32=float4-exp-three-digits
 float8/i.86-.*-freebsd[234]=float8-small-is-zero
 float8/i.86-.*-openbsd=float8-small-is-zero
-float8/i.86-.*-netbsd[12]=float8-small-is-zero
-float8/m68k-.*-netbsd[12]=float8-small-is-zero
+float8/i.86-.*-netbsd=float8-small-is-zero
+float8/m68k-.*-netbsd=float8-small-is-zero
 float8/i.86-pc-mingw32=float8-exp-three-digits-win32
 float8/i.86-pc-cygwin=float8-small-is-zero
 int8/i.86-pc-mingw32=int8-exp-three-digits