Remove trailing whitespace

test/built-ins/encodeURI/S15.1.3.3_A1.1_T1.js

test/built-ins/encodeURI/S15.1.3.3_A1.1_T2.js

test/built-ins/encodeURI/S15.1.3.3_A1.2_T1.js

test/built-ins/encodeURI/S15.1.3.3_A1.2_T2.js

test/built-ins/encodeURI/S15.1.3.3_A1.3_T1.js

test/built-ins/encodeURI/S15.1.3.3_A2.1_T1.js

test/built-ins/encodeURI/S15.1.3.3_A2.2_T1.js

test/built-ins/encodeURI/S15.1.3.3_A2.3_T1.js

test/built-ins/encodeURI/S15.1.3.3_A2.4_T1.js

test/built-ins/encodeURI/S15.1.3.3_A2.4_T2.js

test/built-ins/encodeURI/S15.1.3.3_A2.5_T1.js

test/built-ins/encodeURI/S15.1.3.3_A3.1_T1.js

test/built-ins/encodeURI/S15.1.3.3_A3.2_T1.js

test/built-ins/encodeURI/S15.1.3.3_A3.2_T2.js

test/built-ins/encodeURI/S15.1.3.3_A3.2_T3.js

test/built-ins/encodeURI/S15.1.3.3_A4_T4.js

test/built-ins/encodeURI/S15.1.3.3_A5.1.js

test/built-ins/encodeURI/S15.1.3.3_A5.5.js

test/built-ins/encodeURI/S15.1.3.3_A6_T1.js