Revert "Merge dev → main: Skills 系統全面升級 v3.0"

This reverts commit 15182d3c51, reversing
changes made to 46a44eb68d.

agents/bullish-researcher/AGENTS.md

@@ -2,20 +2,7 @@
 name: 多方研究員
 title: Bullish Researcher
 reportsTo: quant-strategist
-skills:
-  - us-stock-analysis
-  - institutional-flow-tracker
-  - canslim-screener
-  - vcp-screener
-  - ftd-detector
-  - pead-screener
-  - earnings-trade-analyzer
-  - earnings-preview
-  - earnings-analysis
-  - dcf-model
-  - comps-analysis
-  - options-strategy-advisor
-  - initiating-coverage
+skills: []
 role: general
 icon: "🚀"
 ---