Fix build with poppler-24.10.0.

From upstream commit f89367c7e0a377d2d96cbdde6a0362dd2074ff26.

Index: src/core/view/TexImageView.cpp
--- src/core/view/TexImageView.cpp.orig
+++ src/core/view/TexImageView.cpp
@@ -4,8 +4,6 @@
 
 #include <cairo.h>             // for cairo_paint_with_alpha, cairo_scale
 #include <glib.h>              // for g_warning
-#include <poppler-document.h>  // for poppler_document_get_n_pages, poppler_...
-#include <poppler-page.h>      // for poppler_page_render, poppler_page_get_...
 #include <poppler.h>           // for PopplerPage, PopplerDocument, g_clear_...
 
 #include "model/TexImage.h"  // for TexImage
