tests: remove 1.25.3 from CI to save the tokens.

Author: zhuizhuhaomeng

.travis.yml

@@ -25,7 +25,6 @@ env:
     - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
     - LD_LIBRARY_PATH=$LUAJIT_LIB:$LD_LIBRARY_PATH
   matrix:
-    - NGINX_VERSION=1.25.3 WITHOUT_PCRE2=1
     - NGINX_VERSION=1.29.2 WITHOUT_PCRE2=1
 
 before_install: