Remove spurious tag in snapdiff output.

[apitrace] / apigen / glenumsize.sed

s/^\s\+\(\w\+\)\s*=\s*\(0x\w\+\)\s\+#\s\+\([0-9]\+\)\s\+\([IF]\)\s*\(#.*\)\?$/    (\4,\t\3,\t"GL_\1"),\t# \2/p
s/^\s\+\(\w\+\)\s*=\s*\(0x\w\+\)\s*\(#.*\)\?$/    (X,\t1,\t"GL_\1"),\t# \2/p