Update IDE test for removal of @expression and @declaration

Author: DougGregor

test/IDE/complete_decl_attribute.swift

@@ -315,8 +315,6 @@ struct _S {
 // ON_MEMBER_LAST-DAG: Keyword/None:                       typeWrapper[#Declaration Attribute#]; name=typeWrapper
 // ON_MEMBER_LAST-DAG: Keyword/None:                       typeWrapperIgnored[#Declaration Attribute#]; name=typeWrapperIgnored
 // ON_MEMBER_LAST-DAG: Keyword/None:                       runtimeMetadata[#Declaration Attribute#]; name=runtimeMetadata
-// ON_MEMBER_LAST-DAG: Keyword/None:                       expression[#Declaration Attribute#]; name=expression
-// ON_MEMBER_LAST-DAG: Keyword/None:                       declaration[#Declaration Attribute#]; name=declaration
 // ON_MEMBER_LAST-DAG: Keyword/None:                       attached[#Declaration Attribute#]; name=attached
 // ON_MEMBER_LAST-NOT: Keyword
 // ON_MEMBER_LAST-DAG: Decl[Struct]/CurrModule:            MyStruct[#MyStruct#]; name=MyStruct
@@ -390,8 +388,6 @@ func dummy2() {}
 // KEYWORD_LAST-DAG: Keyword/None:                       typeWrapper[#Declaration Attribute#]; name=typeWrapper
 // KEYWORD_LAST-DAG: Keyword/None:                       typeWrapperIgnored[#Declaration Attribute#]; name=typeWrapperIgnored
 // KEYWORD_LAST-DAG: Keyword/None:                       runtimeMetadata[#Declaration Attribute#]; name=runtimeMetadata
-// KEYWORD_LAST-DAG: Keyword/None:                       expression[#Declaration Attribute#]; name=expression
-// KEYWORD_LAST-DAG: Keyword/None:                       declaration[#Declaration Attribute#]; name=declaration
 // KEYWORD_LAST-DAG: Keyword/None:                       attached[#Declaration Attribute#]; name=attached
 // KEYWORD_LAST-NOT: Keyword
 // KEYWORD_LAST-DAG: Decl[Struct]/CurrModule:            MyStruct[#MyStruct#]; name=MyStruct