Surgery - Pericardial Tap fix (#733)

**When merged this pull request will:**
- Title

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addons/surgery/functions/fnc_pericardialTapLocal.sqf

@@ -21,7 +21,7 @@ params ["_medic", "_patient"];
 private _ht = _patient getVariable [QEGVAR(circulation,ht), []];
 private _effusion = _patient getVariable [QEGVAR(circulation,effusion), 0];
 
-if (((_ht find "tamponade" ) == -1) && (_effusion == 0)) then {
+if (_effusion == 0) then {
     [_patient] call EFUNC(breathing,createTamponade);
 } else {
     _ht deleteAt (_ht find "tamponade");