code: remove unneeded c.zig @import()s

 river/Config.zig                    | 1 -
 river/Control.zig                   | 1 -
 river/command/move.zig              | 2 --
 river/command/toggle_fullscreen.zig | 2 --
 river/view_stack.zig                | 1 -
 5 files changed, 7 deletions(-)

diff --git a/river/Config.zig b/river/Config.zig
index 8460b8d..24b8690 100644
--- a/river/Config.zig
+++ b/river/Config.zig
@@ -19,7 +19,6 @@ const Self = @This();
 
 const std = @import("std");
 
-const c = @import("c.zig");
 const util = @import("util.zig");
 
 const Server = @import("Server.zig");
diff --git a/river/Control.zig b/river/Control.zig
index 3278b82..8357d22 100644
--- a/river/Control.zig
+++ b/river/Control.zig
@@ -26,7 +26,6 @@ const zriver = wayland.server.zriver;
 
 const wlr = @import("wlroots");
 
-const c = @import("c.zig");
 const command = @import("command.zig");
 const util = @import("util.zig");
 
diff --git a/river/command/move.zig b/river/command/move.zig
index 7bc07cc..173985b 100644
--- a/river/command/move.zig
+++ b/river/command/move.zig
@@ -17,8 +17,6 @@
 
 const std = @import("std");
 
-const c = @import("../c.zig");
-
 const Error = @import("../command.zig").Error;
 const PhysicalDirection = @import("../command.zig").PhysicalDirection;
 const Orientation = @import("../command.zig").Orientation;
diff --git a/river/command/toggle_fullscreen.zig b/river/command/toggle_fullscreen.zig
index aed6e0c..da8d7b6 100644
--- a/river/command/toggle_fullscreen.zig
+++ b/river/command/toggle_fullscreen.zig
@@ -17,8 +17,6 @@
 
 const std = @import("std");
 
-const c = @import("../c.zig");
-
 const Box = @import("../Box.zig");
 const Error = @import("../command.zig").Error;
 const Seat = @import("../Seat.zig");
diff --git a/river/view_stack.zig b/river/view_stack.zig
index f4ccb7f..33eb1d2 100644
--- a/river/view_stack.zig
+++ b/river/view_stack.zig
@@ -322,7 +322,6 @@ test "push/remove (*View)" {
 }
 
 test "iteration (View)" {
-    const c = @import("c.zig");
     const std = @import("std");
     const testing = std.testing;