Remove unused autofix automation threshold constant

Co-authored-by: Armen Zambrano G. <armenzg@users.noreply.github.com>

Author: cursoragent

src/sentry/seer/autofix/constants.py

@@ -2,10 +2,6 @@
 
 CODING_PAYLOAD_TYPES = frozenset({"select_solution", "create_branch", "create_pr"})
 
-# An issue group must have >= this number of occurrences in order to be
-# a target for 'workflow' autofix.
-AUTOFIX_AUTOMATION_OCCURRENCE_THRESHOLD = 10
-
 
 class FixabilityScoreThresholds(enum.Enum):
     SUPER_HIGH = 0.76