Drop changes for regenerating src/*data.c

Let's go with what upstream provides.

libunibreak.spec

@@ -18,11 +18,6 @@ Source0:        %forgesource
 Source1:        LineBreakTest.txt
 Source2:        WordBreakTest.txt
 Source3:        GraphemeBreakTest.txt
-# For regenerating src/*data.c
-Source4:        LineBreak.txt
-Source5:        WordBreakProperty.txt
-Source6:        GraphemeBreakProperty.txt
-Source7:        emoji-data.txt
 
 # don't download test data
 Patch:          offline_files.patch
@@ -34,7 +29,6 @@ Patch:          remove_unused_var.patch
 BuildRequires:  gcc
 BuildRequires:  make
 BuildRequires:  automake, autoconf, libtool
-BuildRequires:  python3
 
 Provides:       liblinebreak = %{version}-%{release}
 Obsoletes:      liblinebreak < %{obsEVR}
@@ -59,7 +53,7 @@ developing applications that use %{name}.
 
 %prep
 %forgeautosetup -p1
-cp -p %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} %{SOURCE5} %{SOURCE6} %{SOURCE7} src/
+cp -p %{SOURCE1} %{SOURCE2} %{SOURCE3} src/
 sed -r -i 's|^(#!/usr/bin/)env (python)|\1\23|' src/generate_linebreakdata.py
 sed -r -i 's|^(#!/usr/bin/)env (python)|\1\23|' src/sort_numeric_hex.py
 
@@ -67,12 +61,6 @@ sed -r -i 's|^(#!/usr/bin/)env (python)|\1\23|' src/sort_numeric_hex.py
 %build
 ./autogen.sh
 %configure --disable-static
-# Regenerate src/*data.c
-# Build fails with the updated files
-#make linebreakdata
-#make wordbreakdata
-#make graphemebreakdata
-#make emojidata
 %make_build