Remove unused imports

src/build/GhosttyBench.zig

@@ -2,7 +2,6 @@
 const GhosttyBench = @This();
 
 const std = @import("std");
-const Config = @import("Config.zig");
 const SharedDeps = @import("SharedDeps.zig");
 
 steps: []*std.Build.Step.Compile,

src/build/GhosttyFrameData.zig

@@ -3,8 +3,6 @@
 const GhosttyFrameData = @This();
 
 const std = @import("std");
-const Config = @import("Config.zig");
-const SharedDeps = @import("SharedDeps.zig");
 const DistResource = @import("GhosttyDist.zig").Resource;
 
 /// The output path for the compressed framedata zig file

src/build/GhosttyLibVt.zig

@@ -3,11 +3,7 @@ const GhosttyLibVt = @This();
 const std = @import("std");
 const assert = std.debug.assert;
 const RunStep = std.Build.Step.Run;
-const Config = @import("Config.zig");
 const GhosttyZig = @import("GhosttyZig.zig");
-const SharedDeps = @import("SharedDeps.zig");
-const LibtoolStep = @import("LibtoolStep.zig");
-const LipoStep = @import("LipoStep.zig");
 
 /// The step that generates the file.
 step: *std.Build.Step,

src/build/GhosttyResources.zig

@@ -1,9 +1,7 @@
 const GhosttyResources = @This();
 
 const std = @import("std");
-const builtin = @import("builtin");
 const assert = std.debug.assert;
-const buildpkg = @import("main.zig");
 const Config = @import("Config.zig");
 const RunStep = std.Build.Step.Run;
 const SharedDeps = @import("SharedDeps.zig");

src/build/GhosttyWebdata.zig

@@ -3,7 +3,6 @@
 const GhosttyWebdata = @This();
 
 const std = @import("std");
-const Config = @import("Config.zig");
 const SharedDeps = @import("SharedDeps.zig");
 
 steps: []*std.Build.Step,

src/build/UnicodeTables.zig

@@ -1,7 +1,6 @@
 const UnicodeTables = @This();
 
 const std = @import("std");
-const Config = @import("Config.zig");
 
 /// The exe.
 props_exe: *std.Build.Step.Compile,

src/build/webgen/main_actions.zig

@@ -1,5 +1,4 @@
 const std = @import("std");
-const help_strings = @import("help_strings");
 const helpgen_actions = @import("../../input/helpgen_actions.zig");
 
 pub fn main() !void {