walt: app: remove unused drawable resource files

Remove unused drawable resource files

Bug: 149721303
Test: ./gradlew build -x :app:lint
Signed-off-by: Tai Kuo <taikuo@google.com>
Change-Id: If27cd2f3a8fc6d217f68bd3d0d147e9e5a7389f0
diff --git a/android/WALT/app/src/main/res/drawable/ic_brightness_7_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_brightness_7_black_24dp.xml
deleted file mode 100644
index e504de1..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_brightness_7_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M20,8.69V4h-4.69L12,0.69 8.69,4H4v4.69L0.69,12 4,15.31V20h4.69L12,23.31 15.31,20H20v-4.69L23.31,12 20,8.69zM12,18c-3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6 6,2.69 6,6 -2.69,6 -6,6zm0,-10c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4 -1.79,-4 -4,-4z"/>
-</vector>
diff --git a/android/WALT/app/src/main/res/drawable/ic_chevron_left_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_chevron_left_black_24dp.xml
deleted file mode 100644
index e6bb3ca..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_chevron_left_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M15.41,7.41L14,6l-6,6 6,6 1.41,-1.41L10.83,12z"/>
-</vector>
diff --git a/android/WALT/app/src/main/res/drawable/ic_equalizer_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_equalizer_black_24dp.xml
deleted file mode 100644
index 6322102..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_equalizer_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M10,20h4V4h-4v16zm-6,0h4v-8H4v8zM16,9v11h4V9h-4z"/>
-</vector>
diff --git a/android/WALT/app/src/main/res/drawable/ic_help_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_help_black_24dp.xml
deleted file mode 100644
index a3936eb..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_help_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zm1,17h-2v-2h2v2zm2.07,-7.75l-0.9,0.92C13.45,12.9 13,13.5 13,15h-2v-0.5c0,-1.1 0.45,-2.1 1.17,-2.83l1.24,-1.26c0.37,-0.36 0.59,-0.86 0.59,-1.41 0,-1.1 -0.9,-2 -2,-2s-2,0.9 -2,2H8c0,-2.21 1.79,-4 4,-4s4,1.79 4,4c0,0.88 -0.36,1.68 -0.93,2.25z"/>
-</vector>
diff --git a/android/WALT/app/src/main/res/drawable/ic_import_export_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_import_export_black_24dp.xml
deleted file mode 100644
index cac4f1f..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_import_export_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M9,3L5,6.99h3V14h2V6.99h3L9,3zm7,14.01V10h-2v7.01h-3L15,21l4,-3.99h-3z"/>
-</vector>
diff --git a/android/WALT/app/src/main/res/drawable/ic_mic_black_24dp.xml b/android/WALT/app/src/main/res/drawable/ic_mic_black_24dp.xml
deleted file mode 100644
index 15356bb..0000000
--- a/android/WALT/app/src/main/res/drawable/ic_mic_black_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M12,14c1.66,0 2.99,-1.34 2.99,-3L15,5c0,-1.66 -1.34,-3 -3,-3S9,3.34 9,5v6c0,1.66 1.34,3 3,3zm5.3,-3c0,3 -2.54,5.1 -5.3,5.1S6.7,14 6.7,11H5c0,3.41 2.72,6.23 6,6.72V21h2v-3.28c3.28,-0.48 6,-3.3 6,-6.72h-1.7z"/>
-</vector>