Gradle cleanup

app/build.gradle

@@ -104,9 +104,11 @@ dependencies {
     // MPAndroidChart
     implementation 'com.github.PhilJay:MPAndroidChart:v3.1.0'
 
-    // https://mvnrepository.com/artifact/org.apache.commons/commons-csv
+    // CSV Parser: https://mvnrepository.com/artifact/org.apache.commons/commons-csv
     implementation 'org.apache.commons:commons-csv:1.6'
 
+    implementation "com.ibm.icu:icu4j:53.1"
+
     // Instrumented Tests
     androidTestImplementation 'androidx.test:core:1.1.0'
     androidTestImplementation 'androidx.test:runner:1.1.1'
@@ -115,15 +117,9 @@ dependencies {
 
     // Test
     testImplementation 'junit:junit:4.12'
-
-    // Optional -- Robolectric environment
-    //testImplementation 'androidx.test:core:1.1.0'
-    // Optional -- Mockito framework
     testImplementation 'com.android.support.test:runner:1.0.2'
     testImplementation 'com.android.support.test:rules:1.0.2'
-    //testImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 
-    implementation "com.ibm.icu:icu4j:53.1"
 }
 
 apply plugin: 'com.google.gms.google-services'