chore(deps): remove unused semver (#2520)

Co-authored-by: Valentin Marchaud <contact@vmarchaud.fr>

Author: mhennoch

packages/opentelemetry-core/package.json

@@ -60,7 +60,6 @@
     "@opentelemetry/api": "^1.0.2",
     "@types/mocha": "8.2.3",
     "@types/node": "14.17.11",
-    "@types/semver": "7.3.8",
     "@types/sinon": "10.0.2",
     "@types/webpack-env": "1.16.2",
     "codecov": "3.8.3",
@@ -84,7 +83,6 @@
     "@opentelemetry/api": "^1.0.2"
   },
   "dependencies": {
-    "@opentelemetry/semantic-conventions": "1.0.0",
-    "semver": "^7.3.5"
+    "@opentelemetry/semantic-conventions": "1.0.0"
   }
 }