script: remove the check in set_git_properties.cmd to add a dash as it is not needed

Author: N3xoX1

src/script/set_git_properties.cmd

@@ -12,11 +12,7 @@ for /f %%i in ('git rev-list --count HEAD') do set GIT_BUILD_VERSION=%%i > nul
 for /F "tokens=1,2,3" %%i in (%base_dir%\src\nxemu-core\version.h.in) do call :process_version %%i %%j %%k
 set GIT_REVISION_SHORT=%GIT_REVISION_SHORT: =%
 set GIT_BUILD_VERSION=%GIT_BUILD_VERSION: =%
-if "%VERSION_PREFIX%" == "" (
-  set VERSION=%VERSION_MAJOR%.%VERSION_MINOR%.%VERSION_REVISION%-%GIT_BUILD_VERSION%-%GIT_REVISION_SHORT%
-) else (
-  set VERSION=%VERSION_PREFIX%-%VERSION_MAJOR%.%VERSION_MINOR%.%VERSION_REVISION%-%GIT_BUILD_VERSION%-%GIT_REVISION_SHORT%
-)
+set VERSION=%VERSION_PREFIX%%VERSION_MAJOR%.%VERSION_MINOR%.%VERSION_REVISION%-%GIT_BUILD_VERSION%-%GIT_REVISION_SHORT%
 
 echo %VERSION%
 echo GIT_DESCRIBE=%VERSION%>"%base_dir%\git.properties"