remove some stuff left over from `zig init`

build.zig

@@ -15,20 +15,6 @@ pub fn build(b: *std.Build) void {
     // set a preferred release mode, allowing the user to decide how to optimize.
     const optimize = b.standardOptimizeOption(.{});
 
-    const lib = b.addStaticLibrary(.{
-        .name = "mdcat",
-        // In this case the main source file is merely a path, however, in more
-        // complicated build scripts, this could be a generated file.
-        .root_source_file = b.path("src/root.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
-
-    // This declares intent for the library to be installed into the standard
-    // location when the user invokes the "install" step (the default step when
-    // running `zig build`).
-    b.installArtifact(lib);
-
     const exe = b.addExecutable(.{
         .name = "mdcat",
         .root_source_file = b.path("src/main.zig"),
@@ -73,16 +59,6 @@ pub fn build(b: *std.Build) void {
     const run_step = b.step("run", "Run the app");
     run_step.dependOn(&run_cmd.step);
 
-    // Creates a step for unit testing. This only builds the test executable
-    // but does not run it.
-    const lib_unit_tests = b.addTest(.{
-        .root_source_file = b.path("src/root.zig"),
-        .target = target,
-        .optimize = optimize,
-    });
-
-    const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
-
     const exe_unit_tests = b.addTest(.{
         .root_source_file = b.path("src/main.zig"),
         .target = target,
@@ -91,10 +67,6 @@ pub fn build(b: *std.Build) void {
 
     const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);
 
-    // Similar to creating the run step earlier, this exposes a `test` step to
-    // the `zig build --help` menu, providing a way for the user to request
-    // running the unit tests.
     const test_step = b.step("test", "Run unit tests");
-    test_step.dependOn(&run_lib_unit_tests.step);
     test_step.dependOn(&run_exe_unit_tests.step);
 }

src/root.zig

@@ -1,10 +0,0 @@
-const std = @import("std");
-const testing = std.testing;
-
-export fn add(a: i32, b: i32) i32 {
-    return a + b;
-}
-
-test "basic add functionality" {
-    try testing.expect(add(3, 7) == 10);
-}