Remove unused references (#8617)

- "@types/elegant-spinner": "^1.0.0": v2 already includes type info.

We do not bundle/minify, so unreferenced dependencies are still shipped:
  - "async": unreferenced
  - "minimatch": unreferenced

Author: damolina-stripe

vscode_extension/package.json

@@ -325,13 +325,10 @@
     "launch": "VSCODE_SORBETEXT_LOG_LEVEL=trace code --extensionDevelopmentPath=$PWD"
   },
   "dependencies": {
-    "async": "^2.6.4",
     "elegant-spinner": "^2.0.0",
-    "minimatch": "^3.0.5",
     "vscode-languageclient": "8.1.0"
   },
   "devDependencies": {
-    "@types/elegant-spinner": "^1.0.0",
     "@types/glob": "^7.1.1",
     "@types/mocha": "^5.2.7",
     "@types/node": "^10.11.7",

vscode_extension/yarn.lock

@@ -126,11 +126,6 @@
   resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
   integrity sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==
 
-"@types/elegant-spinner@^1.0.0":
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/@types/elegant-spinner/-/elegant-spinner-1.0.0.tgz#e963397f174929b9194d1ae193a548c7108c5afb"
-  integrity sha512-Wum9T/9yBJu8pKfSRfKe4LiCWyCAMFo7qL6Q7L2IKWLPtTI/nW9KDAi4QU916C60h2TnvovuEq3vk14djRFbtQ==
-
 "@types/glob@^7.1.1":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@types/glob/-/glob-7.2.0.tgz#bc1b5bf3aa92f25bd5dd39f35c57361bdce5b2eb"
@@ -488,13 +483,6 @@ astral-regex@^2.0.0:
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-2.0.0.tgz#483143c567aeed4785759c0865786dc77d7d2e31"
   integrity sha512-Z7tMw1ytTXt5jqMcOP+OQteU1VuNK9Y02uuJtKQ1Sv69jXQKKg5cibLwGJow8yzZP+eAc18EmLGPal0bp36rvQ==
 
-async@^2.6.4:
-  version "2.6.4"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
-  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
-  dependencies:
-    lodash "^4.17.14"
-
 available-typed-arrays@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/available-typed-arrays/-/available-typed-arrays-1.0.5.tgz#92f95616501069d07d10edb2fc37d3e1c65123b7"
@@ -1973,7 +1961,7 @@ lodash.truncate@^4.4.2:
   resolved "https://registry.yarnpkg.com/lodash.truncate/-/lodash.truncate-4.4.2.tgz#5a350da0b1113b837ecfffd5812cbe58d6eae193"
   integrity sha512-jttmRe7bRse52OsWIMDLaXxWqRAmtIUccAQ3garviCqJjafXOfNMO0yMfNpdD6zbGaTU0P5Nz7e7gAT6cKmJRw==
 
-lodash@^4.17.14, lodash@^4.17.15:
+lodash@^4.17.15:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -2061,7 +2049,7 @@ minimatch@3.0.4:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimatch@^3.0.3, minimatch@^3.0.4, minimatch@^3.0.5, minimatch@^3.1.1, minimatch@^3.1.2:
+minimatch@^3.0.3, minimatch@^3.0.4, minimatch@^3.1.1, minimatch@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.1.2.tgz#19cd194bfd3e428f049a70817c038d89ab4be35b"
   integrity sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==