catalog-react: removed core-app-api dependency

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/witty-singers-occur.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-catalog-react': patch
+---
+
+Removed dependency on `@backstage/core-app-api`.

plugins/catalog-react/package.json

@@ -31,7 +31,6 @@
   "dependencies": {
     "@backstage/catalog-client": "^0.5.2",
     "@backstage/catalog-model": "^0.9.7",
-    "@backstage/core-app-api": "^0.2.0",
     "@backstage/core-components": "^0.8.0",
     "@backstage/core-plugin-api": "^0.3.0",
     "@backstage/errors": "^0.1.4",
@@ -54,6 +53,7 @@
   },
   "devDependencies": {
     "@backstage/cli": "^0.10.1",
+    "@backstage/core-app-api": "^0.2.0",
     "@backstage/test-utils": "^0.1.24",
     "@testing-library/jest-dom": "^5.10.1",
     "@testing-library/react": "^11.2.5",