Rework ARM64 SIMD support (#818)

ARM64 SIMD code layout should be similar to other architectures

Author: zherczeg

Makefile.am

@@ -417,7 +417,6 @@ COMMON_SOURCES = \
   src/pcre2_jit_compile.c \
   src/pcre2_jit_match_inc.h \
   src/pcre2_jit_misc_inc.h \
-  src/pcre2_jit_neon_inc.h \
   src/pcre2_jit_simd_inc.h \
   src/pcre2_maketables.c \
   src/pcre2_match.c \

README

@@ -894,7 +894,6 @@ The distribution should contain the files listed below.
   src/pcre2_jit_char_inc.h header used by JIT
   src/pcre2_jit_match_inc.h header used by JIT
   src/pcre2_jit_misc_inc.h header used by JIT
-  src/pcre2_jit_neon_inc.h header used by JIT
   src/pcre2_jit_simd_inc.h header used by JIT
   src/pcre2_printint_inc.h debugging function that is used by pcre2test
   src/pcre2_ucp.h          header for Unicode property handling

doc/html/README.txt

@@ -894,7 +894,6 @@ The distribution should contain the files listed below.
   src/pcre2_jit_char_inc.h header used by JIT
   src/pcre2_jit_match_inc.h header used by JIT
   src/pcre2_jit_misc_inc.h header used by JIT
-  src/pcre2_jit_neon_inc.h header used by JIT
   src/pcre2_jit_simd_inc.h header used by JIT
   src/pcre2_printint_inc.h debugging function that is used by pcre2test
   src/pcre2_ucp.h          header for Unicode property handling

maint/UpdateAlways

@@ -290,7 +290,6 @@ c_files=(
   src/pcre2_jit_compile.c
   src/pcre2_jit_match_inc.h
   src/pcre2_jit_misc_inc.h
-  src/pcre2_jit_neon_inc.h
   src/pcre2_jit_simd_inc.h
   src/pcre2_jit_test.c
   src/pcre2_maketables.c

maint/manifest-tarball

@@ -337,7 +337,6 @@ drwxr-xr-x tarball-dir/pcre2-SNAPSHOT/src
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_compile.c
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_match_inc.h
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_misc_inc.h
--rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_neon_inc.h
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_simd_inc.h
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_jit_test.c
 -rw-r--r-- tarball-dir/pcre2-SNAPSHOT/src/pcre2_maketables.c