Revert "[lldb][cmake] Create dependencies for LLDB header targets (llvm#150995)"

This reverts commit c162846.

Author: JDevlieghere

lldb/source/API/CMakeLists.txt

@@ -361,7 +361,6 @@ foreach(header
   endif()
 
   add_custom_target(liblldb-stage-header-${basename} DEPENDS ${staged_header})
-  add_dependencies(liblldb-stage-header-${basename} lldb-sbapi-dwarf-enums)
   add_dependencies(liblldb-header-staging liblldb-stage-header-${basename})
   add_custom_command(
     DEPENDS ${header} OUTPUT ${staged_header}
@@ -374,7 +373,6 @@ foreach(header
     set(output_header $<TARGET_FILE_DIR:liblldb>/Headers/${basename})
 
     add_custom_target(lldb-framework-fixup-header-${basename} DEPENDS ${staged_header})
-    add_dependencies(lldb-framework-fixup-header-${basename} liblldb-stage-header-${basename})
     add_dependencies(lldb-framework-fixup-all-headers lldb-framework-fixup-header-${basename})
 
     add_custom_command(TARGET lldb-framework-fixup-header-${basename} POST_BUILD