Revert "ir_resolve_const now checks recursivly for undef values"

This reverts commit 4c3f27ce1e.

test/compile_errors.zig

@@ -4124,19 +4124,4 @@ pub fn addCases(cases: *tests.CompileErrorContext) void {
     ,
         ".tmp_source.zig:3:36: error: @ArgType could not resolve the type of arg 0 because 'fn(var)var' is generic",
     );
-
-    cases.add(
-        "Trying to pass undefined array to function taking comptime array by value",
-        \\fn a(comptime b: [2]u8) u8 { return b[0]; }
-        \\
-        \\test "" {
-        \\    const arr: [2]u8 = undefined;
-        \\    _ = a(arr);
-        \\}
-    ,
-        ".tmp_source.zig:5:11: error: use of undefined value",
-    );
-
-
-
 }