CI rm unnecessary -B . from Win cmake command

.gitlab-ci.yml

@@ -195,13 +195,12 @@ windows:
     # configure, make, test, pack
     - cmake --version
     - >
-      cmake -G "Ninja" -DCMAKE_BUILD_TYPE=Release
+      cmake .. -G "Ninja" -DCMAKE_BUILD_TYPE=Release
       -DCMAKE_PREFIX_PATH="$OPT_DIR;$QTCMake_DIR;$BOOST_DIR"
       -DPython3_ROOT_DIR="$PY_PLATFORM_DIR"
       -DCPACK_IFW_ROOT="C:/Qt/Tools/QtInstallerFramework/4.5"
       -DCMAKE_C_COMPILER_LAUNCHER="buildcache.exe"
       -DCMAKE_CXX_COMPILER_LAUNCHER="buildcache.exe"
-      -B . ..
     - pwd
     - >
       if($CI_PIPELINE_SOURCE -eq "schedule")