Remove ssh2 dep

package.json

@@ -25,8 +25,6 @@
     "@types/safe-compare": "^1.1.0",
     "@types/semver": "^7.1.0",
     "@types/tar-fs": "^1.16.2",
-    "@types/ssh2": "0.5.39",
-    "@types/ssh2-streams": "^0.1.6",
     "@types/tar-stream": "^1.6.1",
     "@types/ws": "^6.0.4",
     "@typescript-eslint/eslint-plugin": "^2.0.0",
@@ -59,7 +57,6 @@
     "pem": "^1.14.2",
     "safe-compare": "^1.1.4",
     "semver": "^7.1.3",
-    "ssh2": "^0.8.7",
     "tar": "^6.0.1",
     "tar-fs": "^2.0.0",
     "ws": "^7.2.0"