Revert "Update zig build system to zig version 0.11.0 (#3393)"

This reverts commit 540ad99442.

build.zig

@@ -0,0 +1,7 @@
+const std = @import("std");
+const raylib = @import("src/build.zig");
+
+// This has been tested to work with zig master branch as of commit 87de821 or May 14 2023
+pub fn build(b: *std.Build) void {
+    raylib.build(b);
+}