Fix circleci build, delete unused resources

app/build.gradle

@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    buildToolsVersion "25.0.3"
     defaultConfig {
         applicationId "io.github.wulkanowy"
         minSdkVersion 14

app/src/main/res/drawable/ic_home_black_24dp.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportHeight="24.0"
-    android:viewportWidth="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M10,20v-6h4v6h5v-8h3L12,3 2,12h3v8z" />
-</vector>

app/src/main/res/drawable/ic_notifications_black_24dp.xml

@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="24dp"
-    android:height="24dp"
-    android:viewportHeight="24.0"
-    android:viewportWidth="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z" />
-</vector>

app/src/main/res/layout/activity_dashboard.xml

@@ -9,7 +9,7 @@
     tools:context="io.github.wulkanowy.activity.dashboard.DashboardActivity"
     android:weightSum="1">
 
-    <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    <FrameLayout
         android:id="@+id/fragment_container"
         android:layout_width="match_parent"
         android:layout_height="0dp"

app/src/main/res/values/strings.xml

@@ -19,6 +19,4 @@
     <string name="title_attendance">Attendance</string>
     <string name="title_lessonplan">Lesson Plan</string>
     <string name="title_settings">Settings</string>
-
-    <string name="hello_blank_fragment">TO JEST FRAGMENT</string>
 </resources>