Revert "Add clang format check to one of the builds"

.travis.yml

@@ -18,9 +18,8 @@ matrix:
     - os: linux
       compiler: clang
       sudo : true
-      env: TEST_CLANG_FORMAT="yes"
       install: ./ci/install-linux.sh && ./ci/log-config.sh
-      script: ./ci/test_format.sh && ./ci/build-linux-bazel.sh
+      script: ./ci/build-linux-bazel.sh
     - os: linux
       group: deprecated-2017Q4
       compiler: gcc
@@ -67,7 +66,6 @@ addons:
     packages:
     - g++-4.9
     - clang-3.9
-    - clang-format-3.9
 
 notifications:
   email: false

ci/test_format.sh

-#!/bin/bash
-echo "clang-format - checking Code Formatting..."
-
-if [[ "${TRAVIS_OS_NAME}" == "linux" ]] && \
-   [[ "${TEST_CLANG_FORMAT}" == "yes" ]]; then
-
-    RETURN=0
-    CLANG_FORMAT="clang-format-3.9"
-
-    which clang-format-3.9
-
-    if [ ! -f ".clang-format" ]; then
-        echo ".clang-format file not found!"
-        exit 1
-    fi
-
-    FILES=`git diff master --name-only | grep -E "\.(cc|cpp|h)$"`
-
-    for FILE in $FILES; do
-
-        $CLANG_FORMAT $FILE | cmp  $FILE >/dev/null
-
-        if [ $? -ne 0 ]; then
-            echo "[!] Clang-Format Found INCORRECT FORMATTING. Please re-format and re-submit.  The following file failed: $FILE" >&2
-            RETURN=1
-        fi
-
-    done
-
-    exit $RETURN
-fi
-
-exit 0