Remove columns from methodology image

apps/article.py

@@ -4,12 +4,11 @@ from apps.utils import read_markdown
 def app(state):
     st.write(read_markdown("intro.md"))
     st.write("## Methodology")
-    col1, col2 = st.beta_columns([1,2])
-    col1.image(
+    st.image(
         "./misc/article/Multilingual-VQA.png",
         caption="Masked LM model for Image-text Pretraining.",
     )
-    col2.markdown(read_markdown("pretraining.md"))
+    st.markdown(read_markdown("pretraining.md"))
     st.markdown(read_markdown("finetuning.md"))
     st.write(read_markdown("challenges.md"))
     st.write(read_markdown("limitations.md"))