Retrieve guava from JCenter instead of committing it

Change-Id: Ibc097d6450fd6bb43b24dde4c531278a2fa41cbd

app/build.gradle

diff --git a/app/build.gradle b/app/build.gradle
index 2b5ea54..7fecc54 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,7 +23,7 @@
     compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
     compile files('libs/gerrit-rest-java-client-0.8.8-SNAPSHOT.jar')
-    compile files('libs/guava-19.0-rc2.jar')
+    compile 'com.google.guava:guava:19.0-rc2'
     compile files('libs/httpclient-android-4.3.5.1.jar')
     compile 'com.google.code.gson:gson:2.3.1'
     compile 'com.android.support:appcompat-v7:23.1.1'

app/libs/guava-19.0-rc2.jar

diff --git a/app/libs/guava-19.0-rc2.jar b/app/libs/guava-19.0-rc2.jar
deleted file mode 120000
index b5a190e..0000000
--- a/app/libs/guava-19.0-rc2.jar
+++ /dev/null
@@ -1 +0,0 @@
-../../third_party/guava-19.0-rc2.jar
\ No newline at end of file

third_party/guava-19.0-rc2.jar

diff --git a/third_party/guava-19.0-rc2.jar b/third_party/guava-19.0-rc2.jar
deleted file mode 100644
index e080044..0000000
--- a/third_party/guava-19.0-rc2.jar
+++ /dev/null
Binary files differ