fix: Docs

Author: tmathern

src/c2pa/c2pa.py

@@ -1279,9 +1279,6 @@ def __init__(self, signer_ptr: ctypes.POINTER(C2paSigner)):
 
         Note: This constructor is not meant to be called directly.
         Use from_info() or from_callback() instead.
-
-        Args:
-            signer_ptr: Pointer to the C2PA signer
         """
         self._signer = signer_ptr
         self._closed = False