Fix regression with `ipi` command (in portable build) (#3017)

* Fix regression with `ipi` command (in portable build):
> Error occurred in Python: No package metadata was found for prompt_toolkit

pwndbg/exception.py

@@ -44,24 +44,6 @@ debug = config.add_param(
 )
 
 
-def inform_unmet_dependencies(errors) -> None:
-    """
-    Informs user about unmet dependencies
-    """
-    import pkg_resources
-
-    msg = message.error("You appear to have unmet Pwndbg dependencies.\n")
-    for e in errors:
-        if isinstance(e, pkg_resources.DistributionNotFound):
-            msg += message.notice(f"- required {e.args[0]}, but not installed\n")
-        else:
-            msg += message.notice(f"- required {e.args[1]}, installed: {e.args[0]}\n")
-    msg += message.notice("Consider running: ")
-    msg += message.hint("`setup.sh` ")
-    msg += message.notice("from Pwndbg project directory.\n")
-    print(msg)
-
-
 @pwndbg.lib.cache.cache_until("forever")
 def inform_report_issue(exception_msg) -> None:
     """

pyproject.toml

@@ -16,8 +16,6 @@ dependencies = [
     "pyelftools>=0.29,<0.30",
     "pygments>=2.18.0,<3",
     "psutil>=6.1.1,<7",
-    # for the (unused) inform_unmet_dependencies function
-    "setuptools>=80.8.0",
     # Optional? only for 'ipi' command
     "ipython>=8.27.0,<9",
     # Optional? only for 'ropgadget' command