Tests: Remove unnecessary version check from test collector

Author: r41k0u

tests/framework/collector.py

@@ -1,10 +1,6 @@
-import sys
 from pathlib import Path
 
-if sys.version_info >= (3, 11):
-    import tomllib
-else:
-    import tomli as tomllib
+import tomllib
 
 from .bpf_test_case import BpfTestCase