Remove markdownify as required dependency (huggingface#1275)

Author: albertvillanova

docs/source/en/examples/multiagents.mdx

@@ -25,7 +25,7 @@ Let's set up this system.
 Run the line below to install the required dependencies:
 
 ```py
-!pip install markdownify smolagents[toolkit] --upgrade -q
+!pip install smolagents[toolkit] --upgrade -q
 ```
 
 Let's login to HF in order to call Inference Providers:

pyproject.toml

@@ -17,7 +17,6 @@ dependencies = [
   "rich>=13.9.4",
   "jinja2>=3.1.4",
   "pillow>=10.0.1",  # Security fix for CVE-2023-4863: https://pillow.readthedocs.io/en/stable/releasenotes/10.0.1.html
-  "markdownify>=0.14.1",
   "python-dotenv"
 ]
 
@@ -66,6 +65,7 @@ telemetry = [
 ]
 toolkit = [
   "duckduckgo-search>=6.3.7",  # DuckDuckGoSearchTool
+  "markdownify>=0.14.1",  # VisitWebpageTool
 ]
 transformers = [
   "accelerate",