Revert "Add fuzzer as part of 'all' standard build target so people know when it breaks."

Try to put out windows tinderbox. The librustc build rules don't seem to work
there yet.

This reverts commit ce6a77e.

Author: brson

Makefile.in

@@ -199,7 +199,6 @@ all: rt/$(CFG_RUNTIME)          \
      stage1/intrinsics.bc       \
      stage1/lib/glue.o          \
      stage1/rustc$(X)           \
-     stage1/fuzzer$(X)          \
 
 else
 
@@ -214,7 +213,6 @@ all: rt/$(CFG_RUNTIME)          \
      stage1/intrinsics.bc       \
      stage1/lib/glue.o          \
      stage1/rustc$(X)           \
-     stage1/fuzzer$(X)          \
      stage2/lib/$(CFG_STDLIB)   \
      stage2/intrinsics.bc       \
      stage2/lib/glue.o          \