chore: remove ccusage-analyzer plugin

.claude-plugin/marketplace.json

@@ -20,12 +20,7 @@
       "source": "./plugins/qa-toolbox",
       "description": "A plugin that provides QA workflow tools for test case generation and quality assurance."
     },
-    {
-      "name": "ccusage-analyzer",
-      "source": "./plugins/ccusage-analyzer",
-      "description": "Analyze Claude Code usage and costs using ccusage CLI to provide insights on token consumption and spending patterns."
-    },
-    {
+{
       "name": "claude-code-best-practice",
       "source": "./plugins/claude-code-best-practice",
       "description": "A plugin that audits and automatically improves Claude Code configuration files (CLAUDE.md, settings.json, agents, skills) based on established best practices."

CLAUDE.md

@@ -26,7 +26,6 @@ Each skill is a single `SKILL.md` with YAML frontmatter: `name`, `description`,
 |--------|--------|
 | git-toolbox | check-github-ci, create-draft-pr, semantic-commit, semantic-branch, pr-auto-update, ai-review-triage |
 | qa-toolbox | create-dev-check-list-android, copy-simple-qa-cases |
-| ccusage-analyzer | analyze-usage |
 | claude-code-best-practice | claude-md-best-practice, settings-audit, skill-audit, subagent-audit, subagent-driven-prompt-tuning, grilling |
 
 ## Adding a New Plugin
@@ -48,7 +47,7 @@ allowed-tools: Bash(git *), Bash(gh *), Read, Grep
 ---
 ```
 
-Common `allowed-tools` patterns: `Bash(git *)`, `Bash(gh *)`, `Bash(npx ccusage*)`, `Read`, `Grep`, `Glob`
+Common `allowed-tools` patterns: `Bash(git *)`, `Bash(gh *)`, `Read`, `Grep`, `Glob`
 
 ## Conventions