remove @rollup/plugin-replace & rollup-plugin-sourcemaps from ren…

…ovate config

remove the former so that renovate can begin to update this package. do
the same for `rollup-plugin-sourcemaps`, which is already up to date.

STENCIL-595: Update Rollup v2.x Infrastructure

renovate.json5

@@ -11,10 +11,8 @@
   ignoreDeps: [
     // TODO(STENCIL-596): Remove once rollup upgrade is unblocked
     'rollup',
-    'rollup-plugin-sourcemaps',
     '@rollup/plugin-commonjs',
     '@rollup/plugin-node-resolve',
-    '@rollup/plugin-replace',
     // TODO(STENCIL-912): Upgrade these two dependencies
     'glob',
     'minimatch',