Revert "Change title"

This reverts commit a162482c6d919bfe82100f1b3968bd424a51d1bb.

app.py

@@ -37,7 +37,7 @@ def main():
         "[source](https://github.com/godatadriven/rhyme-with-ai).</sup>",
         unsafe_allow_html=True,
     )
-    st.title("Rhyme with AI - Hi there! 👋")
+    st.title("Rhyme with AI")
     query = get_query()
     if not query:
         query = DEFAULT_QUERY