Delete unnecesary include

Signed-off-by: somebody_master <somebody_master@somebodyserver.mooo.com>

TestGDExtension.tscn

@@ -5,4 +5,5 @@
 [node name="Node3D" type="Node3D"]
 
 [node name="Test" type="Test" parent="."]
+f_value = 0.596
 script = ExtResource("1_3ucc5")

gdextension/src/test.cpp

@@ -3,8 +3,6 @@
 #include <godot_cpp/variant/utility_functions.hpp>
 #include <godot_cpp/variant/variant.hpp>
 
-#include <godot_cpp/classes/image_texture.hpp>
-
 void Test::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_i_value"), &Test::get_i_value);
 	ClassDB::bind_method(D_METHOD("set_i_value", "i_val"), &Test::set_i_value);