Remove SPS profiler.

- Conditionals and code blocks. (MOZ_ENABLE_PROFILER_SPS)
- Stub out several profiler-only functions.

tools/memory-profiler/moz.build

@@ -4,26 +4,5 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-if CONFIG['MOZ_ENABLE_PROFILER_SPS']:
-    XPIDL_MODULE = 'memory_profiler'
-    XPIDL_SOURCES += [
-        'nsIMemoryProfiler.idl',
-    ]
-
-    UNIFIED_SOURCES += [
-        'GCHeapProfilerImpl.cpp',
-        'MemoryProfiler.cpp',
-        'NativeProfilerImpl.cpp',
-        'nsMemoryProfilerFactory.cpp',
-        'UncensoredAllocator.cpp',
-    ]
-
-    LOCAL_INCLUDES += [
-        '/js/xpconnect/src',
-        '/xpcom/base',
-    ]
-
-    FINAL_LIBRARY = 'xul'
-
 if CONFIG['GNU_CXX']:
     CXXFLAGS += ['-Wno-error=shadow']