Remove input from gitignore

...27.76-763974_login-button-png-login-signup-button-png.png

src/input/login-button/28.login-button-png-hi.png

src/input/login-button/29.16036.png

src/input/login-button/3.40150101-login-button.jpg

...17-chrome-and-blue-login-button-over-white-background.jpg

...nput/login-button/31.1b794eaf09f990bb616a6e73aa3a9eb4.gif

src/input/login-button/32.46408-login-buttonpng-vector.svg

src/input/login-button/33.login-button-en-56a6ccdd.png

src/input/login-button/34.login-button-png-2.png

...n-free-download-5ab10b3e957761.2065816615215521906122.jpg

...in-login-button-5ac0390c63a235.7848008215225469564081.jpg

...in-button/37.ac4f526fb67b19b8c67a3d30e64dddb32885b092.png

...red-3d-square-button-isolated-on-white-vector-9092116.jpg

src/input/login-button/39.login-button-color-31dbf757.png

...4-stock-illustration-login-button-on-white-background.jpg

src/input/login-button/40.800px_COLOURBOX2568499.jpg

.../41.arrow-button-computer-icons-clip-art-login-button.jpg

...tos_49776971-stock-illustration-login-button-template.jpg

src/input/login-button/43.botaologin_gif2.gif

...on/44.367-3670610_png-hd-login-green-login-button-png.png