Fixed typo in podspec in resource cleanup step (microsoft#2124)

* Fixing CI pipeline build issue

Fixing CI pipeline build issue

* Updating variable names

MicrosoftFluentUI.podspec

@@ -129,7 +129,7 @@ if [ -f ${REMOVE_UNUSED_RESOURCES_SCRIPT_PATH} ]; then
     xcrun --sdk macosx swift ${CONDITIONALCOMPILATIONFLAGS} ${REMOVE_UNUSED_RESOURCES_SCRIPT_PATH} ${LOCROOT}/MicrosoftFluentUI/Sources/FluentUI_iOS/Resources/FluentUI-ios.xcassets ${LOCROOT}/MicrosoftFluentUI/Sources/FluentUI_iOS
 
     echo "=== Rebuilding resource bundle target ==="
-    xcodebuild ${XCODEBUILDPARAMS} DISABLE_MANUAL_TARGET_ORDER_BUILD_WARNING=1 -project ${PROJECT_FILE_PATH} -target "MicrosoftFluentUI-FluentUIResources-ios" -sdk ${PLATFORM_NAME} -configuration ${CONFIGURATION} ARCHS="${ARCHS}" CONFIGURATION_BUILD_DIR="${CONFIGURATION_BUILD_dir}/" BUILD_ROOT="${BUILD_ROOT}" BUILT_PRODUCTS_DIR="${BUILT_PRODUCTS_dir}/" ${ACTION}
+    xcodebuild ${XCODEBUILDPARAMS} DISABLE_MANUAL_TARGET_ORDER_BUILD_WARNING=1 -project ${PROJECT_FILE_PATH} -target "MicrosoftFluentUI-FluentUIResources-ios" -sdk ${PLATFORM_NAME} -configuration ${CONFIGURATION} ARCHS="${ARCHS}" CONFIGURATION_BUILD_DIR="${CONFIGURATION_BUILD_DIR}" BUILD_ROOT="${BUILD_ROOT}" BUILT_PRODUCTS_DIR="${BUILT_PRODUCTS_DIR}" ${ACTION}
 
     # Deletes the script to ensure it will not be needlessly executed more than once after each "pod install"
     rm ${REMOVE_UNUSED_RESOURCES_SCRIPT_PATH}