8349375: Cleanup AIX special file build settings

Reviewed-by: mdoerr, clanger, erikj, jwaters

Author: MBaesken

make/hotspot/lib/JvmOverrideFiles.gmk

@@ -122,13 +122,6 @@ else ifeq ($(call isTargetOs, aix), true)
   # mode, so don't optimize sharedRuntimeTrig.cpp at all.
   BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := $(CXX_O_FLAG_NONE)
 
-  ifneq ($(DEBUG_LEVEL), slowdebug)
-    # Compiling jvmtiEnterTrace.cpp with full optimization needs more than 30min
-    # (mostly because of '-qhot=level=1' and the more than 1300 'log_trace' calls
-    # which cause a lot of template expansion).
-    BUILD_LIBJVM_jvmtiEnterTrace.cpp_OPTIMIZATION := LOW
-  endif
-
   # Disable ELF decoder on AIX (AIX uses XCOFF).
   JVM_EXCLUDE_PATTERNS += elf