Chore/update RN 0.67.4

android/build.gradle

@@ -17,8 +17,6 @@ buildscript {
 
 allprojects {
     repositories {
-        mavenLocal()
-        mavenCentral()
         maven {
             // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
             url("$rootDir/../node_modules/react-native/android")
@@ -27,6 +25,13 @@ allprojects {
             // Android JSC is installed from npm
             url("$rootDir/../node_modules/jsc-android/dist")
         }
+        mavenCentral {
+            // We don't want to fetch react-native from Maven Central as there are
+            // older versions over there.
+            content {
+                excludeGroup "com.facebook.react"
+            }
+        }        
         google()
         maven { url 'https://www.jitpack.io' }
         maven {
@@ -50,14 +55,3 @@ ext {
     targetSdkVersion = 30
     ndkVersion = "21.4.7075529"       
 }
-
-subprojects {
-    afterEvaluate {project ->
-        if (project.hasProperty("android")) {
-            android {
-                compileSdkVersion 29
-                buildToolsVersion '29.0.3'
-            }
-        }
-    }
-}