updated README following merging of *_static.h

lib/README.md

@@ -12,13 +12,10 @@ To build the zstd library the following files are required:
 - [common/error_public.h](common/error_public.h)
 - common/fse.h
 - common/fse_decompress.c
-- common/fse_static.h
 - common/huf.h
-- common/huf_static.h
 - [common/mem.h](common/mem.h)
 - [common/zstd.h]
 - common/zstd_internal.h
-- common/zstd_static.h
 - compress/fse_compress.c
 - compress/huf_compress.c
 - compress/zstd_compress.c
@@ -27,12 +24,10 @@ To build the zstd library the following files are required:
 - decompress/zstd_decompress.c
 
 Stable API is exposed in [common/zstd.h].
-Advanced and experimental API is exposed in [common/zstd_static.h].
+Advanced and experimental API can be enabled by defining `ZSTD_STATIC_LINKING_ONLY`.
-API elements of [common/zstd_static.h] should be used with static linking only,
+Never use them with a dynamic library, as their definition may change in future versions.
-as their definition may change in future version of the library.
 
 [common/zstd.h]: common/zstd.h
-[common/zstd_static.h]: common/zstd_static.h
 
 
 #### Separate compressor and decompressor
@@ -47,7 +42,6 @@ This complementary API makes streaming integration easier.
 It is used by `zstd` command line utility, and [7zip plugin](http://mcmilk.de/projects/7-Zip-ZStd) :
 
 - common/zbuff.h
-- common/zbuff_static.h
 - compress/zbuff_compress.c
 - decompress/zbuff_decompress.c
 
@@ -59,7 +53,6 @@ To create dictionaries from training sets :
 - dictBuilder/divsufsort.h
 - dictBuilder/zdict.c
 - dictBuilder/zdict.h
-- dictBuilder/zdict_static.h
 
 #### Miscellaneous
 
@@ -68,4 +61,3 @@ The other files are not source code. There are :
  - LICENSE : contains the BSD license text
  - Makefile : script to compile or install zstd library (static or dynamic)
  - libzstd.pc.in : for pkg-config (make install)
-