Revert last changes as they introduce CFE build problems.

llvm-svn: 19087

llvm/docs/CFEBuildInstrs.html

@@ -131,7 +131,7 @@ invalid code.  Instead, use the system assembler and linker.
 <pre>
  % cd build
  % ../src/configure --prefix=$CFEINSTALL --disable-threads --disable-nls \
-   --disable-shared --enable-languages=c,c++ --program-prefix=llvm
+   --disable-shared --enable-languages=c,c++
  % gmake all; gmake install
 </pre>
 
@@ -140,8 +140,7 @@ invalid code.  Instead, use the system assembler and linker.
 <pre>
  % cd build
  % ../src/configure --prefix=$CFEINSTALL --disable-threads --disable-nls \
-   --disable-shared --enable-languages=c,c++ --disable-c-mbchar \
-   --program-prefix=llvm
+   --disable-shared --enable-languages=c,c++ --disable-c-mbchar
  % gmake all; gmake install
 </pre>
 
@@ -159,7 +158,7 @@ functions from C as referenced from C++, so we typically configure with
  % cd build
  % ../src/configure --prefix=$CFEINSTALL --disable-threads --disable-nls \
    --disable-shared --enable-languages=c,c++ --host=sparcv9-sun-solaris2.8 \
-   --disable-c-mbchar --program-prefix=llvm
+   --disable-c-mbchar
  % gmake all; gmake install
 </pre>