remove crypto related skills

categories/search-and-research.md

@@ -61,7 +61,6 @@
 - [automation-runner](https://github.com/openclaw/skills/tree/main/skills/barnyp/automation-runner/SKILL.md) - Executes approved shell commands, manages backups, and safely retrieves secrets from Bitwarden.
 - [autonomous-research](https://github.com/openclaw/skills/tree/main/skills/tobisamaa/autonomous-research/SKILL.md) - Conduct comprehensive research independently.
 - [autonomy-type-based](https://github.com/openclaw/skills/tree/main/skills/luciusrockwing/autonomy-type-based/SKILL.md) - Type-based autonomous task queue system.
-- [avantis-skill](https://github.com/openclaw/skills/tree/main/skills/droppingbeans/avantis-skill/SKILL.md) - Execute leverage trading on Avantis (Base)
 - [b2b-first-ten](https://github.com/openclaw/skills/tree/main/skills/pors/b2b-first-ten/SKILL.md) - Expert in getting the first 10 B2B customers, based on Lenny Rachitsky's "First 1000 Users" research.
 - [bagman](https://github.com/openclaw/skills/tree/main/skills/zscole/bagman/SKILL.md) - Secure key management for AI agents.
 - [baidu-scholar-search](https://github.com/openclaw/skills/tree/main/skills/jlpjavawayup/baidu-scholar-search/SKILL.md) - Baidu Academic Search Tool enables.
@@ -130,7 +129,6 @@
 - [engineering-as-marketing](https://github.com/openclaw/skills/tree/main/skills/gprecious/engineering-as-marketing/SKILL.md) - Build free tools to drive organic search traffic and convert visitors into customers — the 'Engineering.
 - [engram-memory](https://github.com/openclaw/skills/tree/main/skills/dannydvm/engram-memory/SKILL.md) - Persistent semantic memory for AI agents — local, fast, free.
 - [enhanced-memory](https://github.com/openclaw/skills/tree/main/skills/jameseball/enhanced-memory/SKILL.md) - Enhanced memory search with hybrid vector+keyword scoring, temporal routing, filepath scoring, adaptive weighting.
-- [etherscan-api](https://github.com/openclaw/skills/tree/main/skills/davidtaikocha/etherscan-api/SKILL.md) - Use when you need to query Etherscan API V2 for onchain activity, contract metadata, ABI/source retrieval, proxy.
 - [eve-online-item-search](https://github.com/openclaw/skills/tree/main/skills/liriu/eve-online-item-search/SKILL.md) - Search EVE Online items by name via APIs and return item details.
 - [expanso-keyword-extract](https://github.com/openclaw/skills/tree/main/skills/aronchick/expanso-keyword-extract/SKILL.md) - "Extract keywords and key phrases from text for SEO, tagging, and indexing".
 - [falcon](https://github.com/openclaw/skills/tree/main/skills/bubblyjove/falcon/SKILL.md) - Search, read, and interact with Twitter/X via TwexAPI.
@@ -151,7 +149,6 @@
 - [fred-navigator](https://github.com/openclaw/skills/tree/main/skills/kiszly/fred-navigator/SKILL.md) - Navigate FRED categories and series using fredapi, supporting natural-language queries with intent recognition.
 - [fund-news-summary](https://github.com/openclaw/skills/tree/main/skills/yonghaozhao722/fund-news-summary/SKILL.md) - Automatically collects and summarizes the latest core news for US, Europe, Japan stock markets, gold.
 - [funda-gateway](https://github.com/openclaw/skills/tree/main/skills/risboo6909/funda-gateway/SKILL.md) - Search and monitor Funda.nl housing listings via a local agent-friendly HTTP gateway.
-- [funding-rate-scanner](https://github.com/openclaw/skills/tree/main/skills/dagangtj/funding-rate-scanner/SKILL.md) - Scan crypto funding rates and find arbitrage opportunities.
 - [funds](https://github.com/openclaw/skills/tree/main/skills/risboo6909/funds/SKILL.md) - Search and monitor Funda.nl housing listings via a local agent-friendly HTTP gateway.
 - [gas-price-alert](https://github.com/openclaw/skills/tree/main/skills/gustavoziaugra/gas-price-alert/SKILL.md) - Find and monitor gas prices with daily notifications.
 - [geepers-corpus](https://github.com/openclaw/skills/tree/main/skills/lukeslp/geepers-corpus/SKILL.md) - Query the COCA (Corpus of Contemporary American English) linguistics API for word frequency, collocations.
@@ -178,7 +175,6 @@
 - [igpt-email-intelligence](https://github.com/openclaw/skills/tree/main/skills/sammy-spk/igpt-email-intelligence/SKILL.md) - Secure, per-user-isolated semantic email search via the iGPT API.
 - [igpt-email-search](https://github.com/openclaw/skills/tree/main/skills/sammy-spk/igpt-email-search/SKILL.md) - Secure, per-user-isolated semantic email search via the iGPT API.
 - [ikuzo](https://github.com/openclaw/skills/tree/main/skills/jordymeow/ikuzo/SKILL.md) - Manage maps, spots, and travel plans on Ikuzo (ikuzo.app) — a location-based exploration app.
-- [impromptu](https://github.com/openclaw/skills/tree/main/skills/createpromptdude/impromptu/SKILL.md) - Earn real money creating AI conversations.
 - [index1-doctor](https://github.com/openclaw/skills/tree/main/skills/gladego/index1-doctor/SKILL.md) - Diagnose index1 environment - check Python, Ollama, models, index health.
 - [instagram-search](https://github.com/openclaw/skills/tree/main/skills/atyachin/instagram-search/SKILL.md) - Instagram Search — Search 400M+ Instagram posts, reels, and profiles.
 - [intelligent-delegation](https://github.com/openclaw/skills/tree/main/skills/hogpile/intelligent-delegation/SKILL.md) - A 5-phase framework for reliable AI-to-AI task delegation, inspired by Google DeepMind's "Intelligent AI.