refactor(skills): drop Remember recap from writing-plans

All four lines restate the Overview (DRY/YAGNI/TDD/frequent commits),
Task Structure (exact paths, commands with expected output), and No
Placeholders (complete code in every step).

skills/writing-plans/SKILL.md

@@ -135,12 +135,6 @@ Every step must contain the actual content an engineer needs. These are **plan f
 - Steps that describe what to do without showing how (code blocks required for code steps)
 - References to types, functions, or methods not defined in any task
 
-## Remember
-- Exact file paths always
-- Complete code in every step — if a step changes code, show the code
-- Exact commands with expected output
-- DRY, YAGNI, TDD, frequent commits
-
 ## Self-Review
 
 After writing the complete plan, look at the spec with fresh eyes and check the plan against it. This is a checklist you run yourself — not a subagent dispatch.