Remove/move unused files

app/shared/src/main/java/com/topjohnwu/magisk/ProviderInstaller.java

@@ -0,0 +1,21 @@
+package com.topjohnwu.magisk;
+
+import android.content.Context;
+
+public class ProviderInstaller {
+
+    public static boolean install(Context context) {
+        try {
+            // Try installing new SSL provider from Google Play Service
+            Context gms = context.createPackageContext("com.google.android.gms",
+                    Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);
+            gms.getClassLoader()
+                    .loadClass("com.google.android.gms.common.security.ProviderInstallerImpl")
+                    .getMethod("insertProvider", Context.class)
+                    .invoke(null, gms);
+        } catch (Exception e) {
+            return false;
+        }
+        return true;
+    }
+}