Delete DragonReach directory (#5)

DragonReach/.crates.toml

@@ -1,2 +0,0 @@
-[v1]
-"DragonReach 0.1.0 (path+file:///home/heyicong/DragonReach)" = ["DragonReach"]

DragonReach/.crates2.json

@@ -1 +0,0 @@
-{"installs":{"DragonReach 0.1.0 (path+file:///home/heyicong/DragonReach)":{"version_req":null,"bins":["DragonReach"],"features":[],"all_features":false,"no_default_features":false,"profile":"release","target":"target","rustc":"rustc 1.74.0-nightly (20999de3a 2023-09-15)\nbinary: rustc\ncommit-hash: 20999de3a2f866a6006169c9bc188017aba79fcc\ncommit-date: 2023-09-15\nhost: x86_64-unknown-linux-gnu\nrelease: 1.74.0-nightly\nLLVM version: 17.0.0\n"}}}