fix: correct remaining ruff issues, is_interactive probably obsolete..?

ammico/__init__.py

@@ -1,4 +1,3 @@
-from importlib import metadata
 from ammico.display import AnalysisExplorer
 from ammico.faces import EmotionDetector, ethical_disclosure
 from ammico.text import TextDetector, TextAnalyzer, privacy_disclosure

ammico/colors.py

@@ -1,7 +1,5 @@
 import numpy as np
 import webcolors
-import pandas as pd
-from collections import defaultdict
 import colorgram
 import colour
 from ammico.utils import get_color_table, AnalysisMethod

ammico/display.py

@@ -1,7 +1,6 @@
 import ammico.faces as faces
 import ammico.text as text
 import ammico.colors as colors
-from ammico.utils import is_interactive
 import pandas as pd
 from dash import html, Input, Output, dcc, State, Dash
 from PIL import Image