remove publishConfig from addon package.json #824

Job	Run time
Tests: Type Check	14s
Slow tests: defaults with npm	1m 57s
Lint JS	18s
Slow tests: defaults with yarn	1m 25s
Tests (addon-location)	54s
Slow tests: defaults with pnpm	1m 53s
Slow tests: typescript with npm	2m 37s
Tests (test-app-location)	54s
Slow tests: typescript with yarn	1m 40s
Tests (addon-only)	25s
Slow tests: typescript with pnpm	1m 34s
Tests (monorepo with npm)	1m 44s
Tests (monorepo with yarn)	1m 8s
Tests (monorepo with pnpm)	1m 4s
Tests (rollup-build)	54s
Tests (declarations-configuration)	37s
	19m 18s

Provide feedback