revert .clang-format changes

Author: githubzilla

.clang-format

@@ -1,50 +1,5 @@
-# Use the Google style in this project.
+# Complete list of style options can be found at: 
+# http://clang.llvm.org/docs/ClangFormatStyleOptions.html
+---
 BasedOnStyle: Google
-
-# Some folks prefer to write "int& foo" while others prefer "int &foo".  The
-# Google Style Guide only asks for consistency within a project, we chose
-# "int& foo" for this project:
-DerivePointerAlignment: false
-PointerAlignment: Left
-
-# The Google Style Guide only asks for consistency w.r.t. "east const" vs.
-# "const west" alignment of cv-qualifiers. In this project we use "east const".
-QualifierAlignment: Right
-
-IncludeBlocks: Merge
-IncludeCategories:
-# Matches common headers first, but sorts them after project includes
-- Regex: '^\"google/cloud/internal/disable_deprecation_warnings.inc\"$'
-  Priority: -1
-- Regex: '^\"google/cloud/(internal/|grpc_utils/|testing_util/|[^/]+\.h)'
-  Priority: 1000
-- Regex: '^\"google/cloud/'  # project includes should sort first
-  Priority: 500
-- Regex: '^\"generator/'     # project includes should sort first
-  Priority: 500
-- Regex: '^\"generator/internal/' # project internals second
-  Priority: 1000
-- Regex: '^\"generator/testing/'  # testing helpers third
-  Priority: 1100
-- Regex: '^\"'         # And then includes from other projects or the system
-  Priority: 1500
-- Regex: '^<grpc/'
-  Priority: 2000
-- Regex: '^<google/*'
-  Priority: 3000
-- Regex: '^<.*/.*'
-  Priority: 4000
-- Regex: '^<.*.hpp>'
-  Priority: 4000
-- Regex: '^<[^/]*>'
-  Priority: 5000
-
-# Format raw string literals with a `pb` or `proto` tag as proto.
-RawStringFormats:
-- Language: TextProto
-  Delimiters:
-  - 'pb'
-  - 'proto'
-  BasedOnStyle: Google
-
-CommentPragmas: '(@copydoc|@copybrief|@see|@overload|@snippet)'
+...