Clean up dependencies (#153)

Summary:
Remove unused dependencies and centralise the remaining ones in the
global project config.
Pull Request resolved: https://github.com/facebook/Sonar/pull/153

Reviewed By: priteshrnandgaonkar

Differential Revision: D8820462

Pulled By: passy

fbshipit-source-id: 1c845898930eb62942379fddec6da39dbdc426d0

android/sample/build.gradle

@@ -28,29 +28,18 @@ android {
 
 
 dependencies {
-
-    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    // Android Support Library
     implementation deps.supportAppCompat
-    implementation deps.supportConstraintLayout
-    implementation deps.supportDesign
-    testImplementation deps.junit
-    androidTestImplementation deps.supportTestRunner
-    androidTestImplementation deps.supportEspresso
+
     // Litho
     implementation deps.lithoCore
     implementation deps.lithoWidget
     compileOnly deps.lithoAnnotations
-
     annotationProcessor deps.lithoProcessor
 
-    // SoLoader
+    // Third-party
     implementation deps.soloader
-
-    // For integration with Fresco
-    implementation deps.lithoFresco
-    // For testing
-    testImplementation deps.lithoTesting
-
     implementation deps.okhttp3
+
     implementation project(':android')
 }