Change: Drop all output functions from pontos.terminal

It's better to use a Terminal instance directly then using the terminal
indirectly via the removed output functions.

pontos/terminal/__init__.py

@@ -15,77 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from pathlib import Path
-from typing import Optional
 from .terminal import Terminal
 
-__term = None  # pylint: disable=invalid-name
-
-__all__ = [
-    'error',
-    'fail',
-    'info',
-    'bold_info',
-    'ok',
-    'out',
-    'warning',
-]
-
-
-def ok(message: str) -> None:
-    __term.ok(message)
-
-
-def fail(message: str) -> None:
-    __term.fail(message)
-
-
-def error(message: str) -> None:
-    __term.error(message)
-
-
-def warning(message: str) -> None:
-    __term.warning(message)
-
-
-def info(message: str) -> None:
-    __term.info(message)
-
-
-def bold_info(message: str) -> None:
-    __term.bold_info(message)
-
-
-def out(message: str):
-    __term.print(message)
-
-
-def overwrite(message: str, new_line: bool = False):
-    __term.print_overwrite(message, new_line=new_line)
-
-
-def _init_terminal(term: Terminal):
-    __term = term
-
-
-def terminal(
-    term: Optional[Terminal] = None, verbose: int = 1, log_file: Path = None
-) -> Terminal:
-    """Init a Terminal that uses the verbosity given as in args
-
-    Arguments:
-        verbose         integer defining the verbosity (default: 1)
-        log_file        path to a log_file, that will be used to log
-                        output into
-    """
-    global __term  # pylint: disable=global-statement, invalid-name
-    if not term:
-        __term = Terminal(verbose=verbose, log_file=log_file)
-    else:
-        __term = term
-    return __term
-
-
-def _set_terminal(term: Terminal) -> Terminal:
-    # remove later; left for backwards-compability
-    return terminal(term)
+__all__ = ["Terminal"]