REF: remove prepare build patches

package.json

@@ -26,7 +26,6 @@
     "npm": ">=6.9.0"
   },
   "scripts": {
-    "prepare": "./patches/fix_mangle.sh; git apply patches/minifier.js.patch; git apply patches/minify.js.patch",
     "clean": "cd android/; ./gradlew clean; cd ..; rm -r -f /tmp/metro-cache/; rm -r -f node_modules/; npm cache clean --force; npm i; npm start -- --reset-cache",
     "releasenotes2json": "./scripts/release-notes.sh > release-notes.txt; node -e 'console.log(JSON.stringify(require(\"fs\").readFileSync(\"release-notes.txt\", \"utf8\")));' > release-notes.json",
     "podinstall": "./scripts/podinstall.sh",

patches/fix_mangle.sh

@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-grep -rl "mangle: { toplevel: true }" ./node_modules/  | xargs sed -i '' -e "s/mangle: { toplevel: true }/mangle: false/g" || true
-grep -rl "mangle: {toplevel: true}" ./node_modules/  | xargs sed -i '' -e "s/mangle: {toplevel: true}/mangle: false/g" || true
-grep -rl "BASE_MAP.fill(255)" ./node_modules/  | xargs sed -i '' -e "s/BASE_MAP.fill(255)/for (let c = 0 ; c< 256; c++) BASE_MAP[c] = 255;/g" || true
-echo fix_mangle.sh done

patches/minifier.js.patch

@@ -1,15 +0,0 @@
-diff --git a/node_modules/metro-minify-uglify/src/minifier.js b/node_modules/metro-minify-uglify/src/minifier.js
-index b703ee4..fadc077 100644
---- a/node_modules/metro-minify-uglify/src/minifier.js
-+++ b/node_modules/metro-minify-uglify/src/minifier.js
-@@ -67,9 +67,7 @@ function minify(_ref) {
-     config = _ref.config;
- 
-   const options = _objectSpread({}, config, {
--    mangle: _objectSpread({}, config.mangle, {
--      reserved
--    }),
-+    mangle: false, // !!!!!!!!!!!!!!!!!!!!!!!!
-     sourceMap: _objectSpread({}, config.sourceMap, {
-       content: map
-     })

patches/minify.js.patch

@@ -1,13 +0,0 @@
-diff --git a/node_modules/uglify-es/lib/minify.js b/node_modules/uglify-es/lib/minify.js
-index ee1d478..966f7ad 100644
---- a/node_modules/uglify-es/lib/minify.js
-+++ b/node_modules/uglify-es/lib/minify.js
-@@ -51,7 +51,7 @@ function minify(files, options) {
-             ie8: false,
-             keep_classnames: undefined,
-             keep_fnames: false,
--            mangle: {},
-+            mangle: false, // !!!!!!!!!!!!!!!!!!!!
-             nameCache: null,
-             output: {},
-             parse: {},