remove all zip files for training class samples.
They're now at frameworks/base/docs/downloads/

Change-Id: I3a82edcc73196dfc8ffc6a1e4d172925d5581157
diff --git a/samples/training/zips/ActivityLifecycle.zip b/samples/training/zips/ActivityLifecycle.zip
deleted file mode 100644
index 1cbed44..0000000
--- a/samples/training/zips/ActivityLifecycle.zip
+++ /dev/null
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diff --git a/samples/training/zips/BitmapFun.zip b/samples/training/zips/BitmapFun.zip
deleted file mode 100644
index e7e71f9..0000000
--- a/samples/training/zips/BitmapFun.zip
+++ /dev/null
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diff --git a/samples/training/zips/CustomView.zip b/samples/training/zips/CustomView.zip
deleted file mode 100644
index d7ae8a2..0000000
--- a/samples/training/zips/CustomView.zip
+++ /dev/null
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diff --git a/samples/training/zips/DeviceManagement.zip b/samples/training/zips/DeviceManagement.zip
deleted file mode 100644
index 9f7ec69..0000000
--- a/samples/training/zips/DeviceManagement.zip
+++ /dev/null
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diff --git a/samples/training/zips/EffectiveNavigation.zip b/samples/training/zips/EffectiveNavigation.zip
deleted file mode 100644
index f21af45..0000000
--- a/samples/training/zips/EffectiveNavigation.zip
+++ /dev/null
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diff --git a/samples/training/zips/FragmentBasics.zip b/samples/training/zips/FragmentBasics.zip
deleted file mode 100644
index b5b19d0..0000000
--- a/samples/training/zips/FragmentBasics.zip
+++ /dev/null
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diff --git a/samples/training/zips/LocationAware.zip b/samples/training/zips/LocationAware.zip
deleted file mode 100644
index 8ed97cb..0000000
--- a/samples/training/zips/LocationAware.zip
+++ /dev/null
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diff --git a/samples/training/zips/MobileAds.zip b/samples/training/zips/MobileAds.zip
deleted file mode 100644
index 468e4ee..0000000
--- a/samples/training/zips/MobileAds.zip
+++ /dev/null
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diff --git a/samples/training/zips/NetworkUsage.zip b/samples/training/zips/NetworkUsage.zip
deleted file mode 100644
index 8c7fbef..0000000
--- a/samples/training/zips/NetworkUsage.zip
+++ /dev/null
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diff --git a/samples/training/zips/NewsReader.zip b/samples/training/zips/NewsReader.zip
deleted file mode 100644
index 7dda41c..0000000
--- a/samples/training/zips/NewsReader.zip
+++ /dev/null
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diff --git a/samples/training/zips/OpenGLES.zip b/samples/training/zips/OpenGLES.zip
deleted file mode 100644
index 862ae1f..0000000
--- a/samples/training/zips/OpenGLES.zip
+++ /dev/null
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diff --git a/samples/training/zips/PhotoIntentActivity.zip b/samples/training/zips/PhotoIntentActivity.zip
deleted file mode 100644
index 9fcc0e1..0000000
--- a/samples/training/zips/PhotoIntentActivity.zip
+++ /dev/null
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diff --git a/samples/training/zips/TabCompat.zip b/samples/training/zips/TabCompat.zip
deleted file mode 100644
index b70b442..0000000
--- a/samples/training/zips/TabCompat.zip
+++ /dev/null
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