qtcreator.qdoc: Fix unpaired markup

Fixes dabab8a (Merge branch 'mer-3.1' into next)

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>
MerOptionsPage: Use QTC_CHECK inst. of Q_ASSERT

Fixes dabab8a (Merge branch 'mer-3.1' into next)

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>
Remove orphaned SdkKitUtils & SdkTargetUtils sources

Should have been removed by e8cc8e5 (Jolla: Refactors the mer plugin,
adds targets watcher)

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>
Remove orphaned MerVirtualMachineButton source file

Should have been removed by d4808d6 (Jolla: Refactors Mer Connections)

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>
Abi: Choose word width of 32b for x86 target-triplets

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>
MerTarget: Do not need tool chain for debugger creation

Tool chain is not yet available at the time this is called.

Fixes dabab8a (Merge branch 'mer-3.1' into next)

Signed-off-by: Martin Kampas <martin.kampas@jolla.com>