Remove unused variable and fix zig fmt

 src/Output.zig         | 8 ++++----
 src/command/layout.zig | 1 -
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/Output.zig b/src/Output.zig
index 6dc999d..2ea8a47 100644
--- a/src/Output.zig
+++ b/src/Output.zig
@@ -369,10 +369,10 @@ pub fn layoutFull(self: *Self, visible_count: u32, output_tags: u32) void {
     const border_width = self.root.server.config.border_width;
     const outer_padding = self.root.server.config.outer_padding;
 
-    const layout_width = @intCast(u32, self.usable_box.width)
-            - (outer_padding * 2) - (border_width * 2);
-    const layout_height = @intCast(u32, self.usable_box.height)
-            - (outer_padding * 2) - (border_width * 2);
+    const layout_width = @intCast(u32, self.usable_box.width) -
+        (outer_padding * 2) - (border_width * 2);
+    const layout_height = @intCast(u32, self.usable_box.height) -
+        (outer_padding * 2) - (border_width * 2);
     const xy_offset = @intCast(i32, outer_padding + border_width);
 
     var i: u32 = 0;
diff --git a/src/command/layout.zig b/src/command/layout.zig
index f895330..f8e21ad 100644
--- a/src/command/layout.zig
+++ b/src/command/layout.zig
@@ -22,7 +22,6 @@ const Seat = @import("../Seat.zig");
 
 pub fn layout(seat: *Seat, arg: Arg) void {
     const layout_name = arg.str;
-    const config = seat.input_manager.server.config;
     seat.focused_output.layout = seat.focused_output.getLayoutByName(layout_name);
     seat.focused_output.arrangeViews();
     seat.input_manager.server.root.startTransaction();