cmake: Remove unnecesary include directories and commented out line

The include directories were only required for a brief period when
ladybird was compiling IPC itself. That has since been moved to the
Lagom build in serenity.

Author: ADKaster

CMakeLists.txt

@@ -65,12 +65,8 @@ set(SOURCES
 qt_add_executable(ladybird ${SOURCES}
     MANUAL_FINALIZATION
 )
-#target_link_libraries(ladybird PRIVATE Qt::Widgets Qt::Network LibWeb LibGUI LibWeb LibWebView LibGL LibSoftGPU LibMain)
 target_link_libraries(ladybird PRIVATE Qt::Widgets Qt::Network LibWeb LibWebSocket LibGUI LibWebView LibGL LibSoftGPU LibMain)
 
-target_include_directories(ladybird PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
-target_include_directories(ladybird PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Services/)
-
 set_target_properties(ladybird PROPERTIES
     MACOSX_BUNDLE_GUI_IDENTIFIER org.SerenityOS.Ladybird
     MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION}

WebContent/CMakeLists.txt

@@ -18,6 +18,4 @@ set(WEBCONTENT_SOURCES
 
 qt_add_executable(WebContent ${WEBCONTENT_SOURCES})
 
-target_include_directories(WebContent PRIVATE ${SERENITY_SOURCE_DIR}/Userland/Services/)
-target_include_directories(WebContent PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/..)
 target_link_libraries(WebContent PRIVATE Qt::Core Qt::Network Qt::Gui LibCore LibIPC LibGfx LibWebView LibWebSocket LibWeb LibMain)