feat!: drop old architecture

Author: okwasniewski

.changeset/breezy-camels-lead.md

@@ -0,0 +1,7 @@
+---
+'react-native-bottom-tabs': major
+'@bottom-tabs/expo-template': major
+'@bottom-tabs/react-navigation': major
+---
+
+feat!: drop old architecture

packages/react-native-bottom-tabs/android/build.gradle

@@ -84,16 +84,11 @@ android {
 
   sourceSets {
     main {
-      if (isNewArchitectureEnabled()) {
-        java.srcDirs += [
-          "src/newarch",
-          // Codegen specs
-          "generated/java",
-          "generated/jni"
-        ]
-      } else {
-        java.srcDirs += ["src/oldarch"]
-      }
+      java.srcDirs += [
+        // Codegen specs
+        "generated/java",
+        "generated/jni"
+      ]
     }
   }
 }