upgrade rollup-plugin-dts, remove hack

package.json

@@ -103,7 +103,7 @@
     "postcss-loader": "^3.0.0",
     "postcss-nesting": "^7.0.1",
     "rollup": "^2.21.0",
-    "rollup-plugin-dts": "^1.4.8",
+    "rollup-plugin-dts": "^1.4.9",
     "rollup-plugin-postcss": "^3.1.3",
     "rollup-plugin-sourcemaps": "^0.6.2",
     "semver": "^7.3.2",

rollup.packages.js

@@ -161,14 +161,6 @@ function fixDtsCodeOut() {
       */
       code = code.replace(/VNode<any>/g, 'VNode')
 
-      /*
-      rollup-plugin-dts sometimes does not correctly reduce nested type declarations, leaving something like this:
-        import("../toolbar-struct").ToolbarInput
-      relevant tickets:
-        https://github.com/Swatinem/rollup-plugin-dts/issues/106 - "Imported type within imported generic is not reduced"
-      */
-      code = code.replace(/import\(([^)]*)\)\./g, '')
-
       if (/\b(p?react)\b/.test(code)) {
         throw new Error('BAD reference to preact/react in DTS')
       }

yarn.lock

@@ -17187,10 +17187,10 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
-rollup-plugin-dts@^1.4.8:
-  version "1.4.8"
-  resolved "https://registry.yarnpkg.com/rollup-plugin-dts/-/rollup-plugin-dts-1.4.8.tgz#3b0eadc285aede11c3f5ced72b56b5f7735df95c"
-  integrity sha512-2qHB4B3oaTyi1mDmqDzsRGKlev32v3EhMUAmc45Cn9eB22R7FsYDiigvT9XdM/oQzfd0qv5MkeZju8DP0nauiA==
+rollup-plugin-dts@^1.4.9:
+  version "1.4.9"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-dts/-/rollup-plugin-dts-1.4.9.tgz#936e4cc1139d81c5c0ce64dc1e9fe025bb3eccaf"
+  integrity sha512-ikEIpVKDhgNFouGQemmVeXojpxEhgSUCPrfEbiDMWg3YmDWYoNifmbmt5AiBqf3KHnv/6Se5+KSgDE11oVlZYg==
   optionalDependencies:
     "@babel/code-frame" "^7.10.4"