[test] remove test_libs

Reasons:
1) all deps we're using should be passing tests (including external)
2) deps can require complicated setup for testing
3) the person responsible for releasing Tendermint should be cautious
when updating a dep

test/README.md

@@ -19,7 +19,3 @@ and run the following tests in docker containers:
 	- send a tx on each node and ensure the state root is updated on all of them
 	- crash and restart nodes one at a time and ensure they can sync back up (via fastsync)
 	- crash and restart all nodes at once and ensure they can sync back up
-
-If on a `release-x.x.x` branch, we also run
-
-- `go test` for all our dependency libs (test/test_libs.sh)

test/test_libs.sh

@@ -1,34 +0,0 @@
-#! /bin/bash
-set -ex
-
-export PATH="$GOBIN:$PATH"
-
-# Get the parent directory of where this script is.
-SOURCE="${BASH_SOURCE[0]}"
-while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
-DIR="$( cd -P "$( dirname "$SOURCE" )/.." && pwd )"
-
-####################
-# libs we depend on
-####################
-
-# All libs should define `make test` and `make get_vendor_deps`
-LIBS=(tmlibs go-wire go-crypto abci)
-for lib in "${LIBS[@]}"; do
-	# checkout vendored version of lib
-	bash scripts/dep_utils/checkout.sh "$lib"
-
-	echo "Testing $lib ..."
-	cd "$GOPATH/src/github.com/tendermint/$lib"
-	make get_tools
-	make get_vendor_deps
-	make test
-	if [[ "$?" != 0 ]]; then
-		echo "FAIL"
-		exit 1
-	fi
-	cd "$DIR"
-done
-
-echo ""
-echo "PASS"