SquishTests: Remove workarounds for closed issues

Change-Id: If5f62b0f9013223643f016ce4e04932cca53397c
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

tests/system/suite_CSUP/tst_CSUP03/test.py

@@ -50,10 +50,6 @@ def main():
             }
     for useClang in [False, True]:
         with TestSection(getCodeModelString(useClang)):
-            if (useClang and platform.system() in ('Windows', 'Microsoft')
-                and JIRA.isBugStillOpen(18607)):
-                test.warning("Skipping unstable tests on Windows", "See QTCREATORBUG-18607")
-                continue
             if not startCreatorVerifyingClang(useClang):
                 continue
             projectName = createNewNonQtProject(tempDir(), "project-csup03",

tests/system/suite_HELP/tst_HELP04/test.py

@@ -87,7 +87,6 @@ def main():
             type(resultWidget, "<Return>")
             waitFor("__getUrl__() != url or selText != __getSelectedText__()", 20000)
             verifySelection(searchKeyword)
-            if not (searchKeyword == "QODBC" and JIRA.isBugStillOpen(10331)):
             verifyUrl(urlDictionary[searchKeyword])
         else:
             test.verify(waitFor("noMatch in "