cmake: remove unnecessary add_dependencies()

In a handful of places we explicitly use add_dependencies() where the
exact same libraries are also (implicitly) added as dependencies via
target_link_libraries().

Remove the folder, which helps us remove some duplication with follow-up
patches.

Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>

src/gui/curses/headless/CMakeLists.txt

@@ -52,11 +52,6 @@ add_executable(${EXECUTABLE}
   ${WEECHAT_CURSES_MAIN_HEADLESS_SRC}
 )
 
-add_dependencies(${EXECUTABLE}
-  weechat_gui_headless
-  weechat_ncurses_fake
-)
-
 target_link_libraries(${EXECUTABLE}
   weechat_core
   weechat_plugins

src/gui/curses/normal/CMakeLists.txt

@@ -57,8 +57,6 @@ set(EXECUTABLE weechat)
 
 add_executable(${EXECUTABLE} ${WEECHAT_CURSES_MAIN_SRC})
 
-add_dependencies(${EXECUTABLE} weechat_gui_curses_normal)
-
 list(APPEND EXTRA_LIBS ${NCURSES_LIBRARY})
 
 target_link_libraries(${EXECUTABLE}