remove redundant manual assertion

packages/assertions/assertions-tm/manual.csv

@@ -11,7 +11,6 @@
 "tm-overwrite-types","null","not testable with Assertion Tester","Definitions SHOULD NOT be overwritten in such a way that possible instance values are no longer valid compared to the origin extended definitions."
 "tm-placeholder-replacement","null","not testable with Assertion Tester","The placeholder labeling MUST be substituted with a concrete value (e.g., as JSON number, JSON string, JSON object, etc) when TD instance is created from the Thing Model."
 "tm-ref-recursive-extensions","null","not testable with Assertion Tester","Recursive extensions leading to an infinite loop MUST NOT be defined."
-"tm-tmOptional-resolver","null","not testable with Assertion Tester","The JSON Pointers of tm:optional MUST resolve to an entire interaction affordance Map definition."
 "tm-tmRef-overwrite-possibility","null","not testable with Assertion Tester","If the intention is to override an existing JSON name-value pair definition from tm:ref, the same JSON name MUST be used at the same level of the tm:ref declaration that provides a new value."
 "tm-tmRef-overwrite-process","null","not testable with Assertion Tester","The process to overwrite MUST follow the JSON Merge Patch algorithm as defined in [RFC7396] where the content of the referenced definition is patched with the new provided JSON name-value pairs."
 "tm-tmRef-overwrite-semantic-meaning","null","not testable with Assertion Tester","Similar to tm:extends and to keep the semantic meaning, definitions SHOULD NOT be overwritten in such a way that possible instance values are no longer valid compared to the origin referenced definition."