[qt/f14] (3 commits) ...drop kde-qt 0012 patch, it's broken if not upstream (#704882)

[Rex Dieter]

Summary of changes:

  b2c64a8... crash when using a visual with 24 bits per pixel (QTBUG-217 (*)
  01392e9... build declarative/qml with -fno-strict-aliasing (#748936, Q (*)
  b978dea... drop kde-qt 0012 patch, it's broken if not upstream (#70488 (*)

(*) This commit already existed in another branch; no separate mail sent