fix(gpg_secretstore): gnupg library respects GNUPG_HOME already

The gnupg python library uses the $GNUPG_HOME environment variable
to detect where the GnuPG home is. Setting a default of `~/.gnupg`
which overrides the library behaviour breaks this.

plugins/module_utils/gpg_utils.py

@@ -99,7 +99,6 @@ class SecretStore:
         password_store_path: str = "~/.password-store/",
         file_extension: str = ".gpg",
         keyring: str = "pubring.kbx",
-        gnupg_home: str = "~/.gnupg",
         pass_gpg_id_file: str = ".gpg-id",
         recipient_method: str = "pass_file",
         recipient_list: List[str] = None,
@@ -110,7 +109,6 @@ class SecretStore:
 
         # Create gpg object
         self.__gpg = gnupg.GPG(
-            gnupghome=Path(gnupg_home).expanduser().absolute().as_posix(),
             keyring=keyring,
         )
         self.gpg = self.__gpg

plugins/modules/gpg_secretstore.py

@@ -48,10 +48,6 @@ options:
             key(s) for decryption
         type: str
         default: pubring.kbx
-    gnupg_home:
-        description: Folder containing the Keyring and other gnupg config files
-        type: str
-        default: ~/.gnupg
     pass_gpg_id_file:
         description: Filename of the file containing the recipient pub key IDs
         type: str
@@ -316,7 +312,6 @@ def main():
             keyring=dict(
                 required=False, type="str", default="pubring.kbx", no_log=False
             ),
-            gnupg_home=dict(required=False, type="str", default="~/.gnupg"),
             pass_gpg_id_file=dict(
                 required=False, type="str", default=".gpg-id", no_log=False
             ),
@@ -367,7 +362,6 @@ def main():
         password_store_path=module.params["password_store_path"],
         file_extension=module.params["file_extension"],
         keyring=module.params["keyring"],
-        gnupg_home=module.params["gnupg_home"],
         pass_gpg_id_file=module.params["pass_gpg_id_file"],
     )