Style: Replace header guards with #pragma once

scene/theme/default_theme.h

@@ -28,12 +28,9 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef DEFAULT_THEME_H
-#define DEFAULT_THEME_H
+#pragma once
 
 #include "scene/resources/theme.h"
 
 void fill_default_theme(Ref<Theme> &theme, const Ref<Font> &default_font, const Ref<Font> &bold_font, const Ref<Font> &bold_italics_font, const Ref<Font> &italics_font, Ref<Texture2D> &default_icon, Ref<StyleBox> &default_style, float p_scale);
 void make_default_theme(float p_scale, Ref<Font> p_font, TextServer::SubpixelPositioning p_font_subpixel = TextServer::SUBPIXEL_POSITIONING_AUTO, TextServer::Hinting p_font_hinting = TextServer::HINTING_LIGHT, TextServer::FontAntialiasing p_font_antialiased = TextServer::FONT_ANTIALIASING_GRAY, bool p_font_msdf = false, bool p_font_generate_mipmaps = false);
-
-#endif // DEFAULT_THEME_H

scene/theme/theme_db.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef THEME_DB_H
-#define THEME_DB_H
+#pragma once
 
 #include "core/object/ref_counted.h"
 #include "scene/resources/theme.h"
@@ -205,5 +204,3 @@ public:
 	const Vector<Ref<Theme>> get_themes() const;
 	Ref<Theme> get_fallback_theme() const;
 };
-
-#endif // THEME_DB_H

scene/theme/theme_owner.h

@@ -28,8 +28,7 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
 /**************************************************************************/
 
-#ifndef THEME_OWNER_H
-#define THEME_OWNER_H
+#pragma once
 
 #include "core/object/object.h"
 #include "scene/resources/theme.h"
@@ -81,5 +80,3 @@ public:
 	ThemeOwner(Node *p_holder) { holder = p_holder; }
 	~ThemeOwner() {}
 };
-
-#endif // THEME_OWNER_H