removed unused settings from clang-format

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

config/clang-format

@@ -171,36 +171,7 @@ PenaltyReturnTypeOnItsOwnLine: 200
 PointerAlignment: Left
 PPIndentWidth:   -1
 QualifierAlignment: Leave
-RawStringFormats:
-  - Language:        Cpp
-    Delimiters:
-      - cc
-      - CC
-      - cpp
-      - Cpp
-      - CPP
-      - 'c++'
-      - 'C++'
-    CanonicalDelimiter: ''
-    BasedOnStyle:    google
-  - Language:        TextProto
-    Delimiters:
-      - pb
-      - PB
-      - proto
-      - PROTO
-    EnclosingFunctions:
-      - EqualsProto
-      - EquivToProto
-      - PARSE_PARTIAL_TEXT_PROTO
-      - PARSE_TEST_PROTO
-      - PARSE_TEXT_PROTO
-      - ParseTextOrDie
-      - ParseTextProtoOrDie
-      - ParseTestProto
-      - ParsePartialTestProto
-    CanonicalDelimiter: pb
-    BasedOnStyle:    google
+
 ReferenceAlignment: Pointer
 ReflowComments:  true
 RemoveBracesLLVM: false