SQSCANGHA-38 Revert "SQSCANGHA-28 Support passing args with spaces"

[csaba-feher-sonarsource]

This reverts commit 16be80a.

It is required to Fix SQSCANGHA-38.

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[henryju]

Left some comments on the SSF.

[JDESTM]

Hi,
This revert of spaces support in args had a direct impact on our SonarQube scan launch.
What's the proper way to use version >v2.1.0 with properties having spaces ? Properties file ?