refactor: remove emojis from titles and buttons for a cleaner UI

app.py

@@ -17,7 +17,7 @@ import streamlit as st
 
 st.set_page_config(
     page_title="Shannon's Equation for Dummies",
-    page_icon="📡",
+    page_icon="antenna_bars",
     layout="wide",
     initial_sidebar_state="expanded",
 )
@@ -104,7 +104,7 @@ st.markdown("""
 # ──────────────────────────────────────────────────────────────────────────────
 
 with st.sidebar:
-    st.markdown("## 📡 Shannon for Dummies")
+    st.markdown("## Shannon for Dummies")
     st.caption("Educational Application — AP Feb 2021")
     st.divider()
 
@@ -112,12 +112,12 @@ with st.sidebar:
         "Navigation",
         options=["animation", "orbits", "sat_types", "theory", "real_world", "contributions"],
         format_func=lambda x: {
-            "animation": "📡 Satellite Link Animation",
-            "orbits": "🌍 GEO / MEO / LEO Orbits",
-            "sat_types": "🛰️ Satellite Missions & Types",
-            "theory": "🧮 Theoretical Exploration",
-            "real_world": "🛰️ Real World Link Budget",
-            "contributions": "💬 Community Contributions",
+            "animation": "Satellite Link Animation",
+            "orbits": "GEO / MEO / LEO Orbits",
+            "sat_types": "Satellite Missions & Types",
+            "theory": "Theoretical Exploration",
+            "real_world": "Real World Link Budget",
+            "contributions": "Community Contributions",
         }[x],
         label_visibility="collapsed",
     )