Remove stupid code

app.py

@@ -72,13 +72,7 @@ def compute_Chai1(
         download_inference_dependencies.remote(force=force_redownload)
 
         if fasta_file is None:
-            fasta_file = here / "inputs" / "chai1_default_input.fasta"
-        else:
-            name_file = here / "inputs" / "chai1_custom_input.fasta"
-            with open(fasta_file, "x") as f:
-                f.write(fasta_file)
-            fasta_file = name_file
-            
+            fasta_file = here / "inputs" / "chai1_default_input.fasta"   
         print(f"🧬 running Chai inference on {fasta_file}")
         fasta_content = Path(fasta_file).read_text()