Delete python completion in favor of zsh's one

plugins/python/_python

-#compdef python
-
-# Python 2.6
-# Python 3.0
-
-local curcontext="$curcontext" state line expl
-typeset -A opt_args
-
-local -a args
-
-if _pick_variant python3=Python\ 3 python2 --version; then
-  args=(
-    '(-bb)-b[issue warnings about str(bytes_instance), str(bytearray_instance) and comparing bytes/bytearray with str]'
-    '(-b)-bb[issue errors about str(bytes_instance), str(bytearray_instance) and comparing bytes/bytearray with str]'
-  )
-else
-  args=(
-    '-Q+[division options]:division option:(old warn warnall new)'
-    '(-tt)-t[issue warnings about inconsistent tab usage]'
-    '(-t)-tt[issue errors about inconsistent tab usage]'
-    '-3[warn about Python 3.x incompatibilities]'
-  )
-fi
-
-_arguments -C -s -S "$args[@]" \
-  "-B[don't write .py\[co\] files on import]" \
-  '(1 -)-c+[program passed in as string (terminates option list)]:python command:' \
-  '-d[debug output from parser]' \
-  '-E[ignore PYTHON* environment variables (such as PYTHONPATH)]' \
-  '(1 * -)-h[display help information]' \
-  '-i[inspect interactively after running script]' \
-  '(1 * -)-m[run library module as a script (terminates option list)]:module:->modules' \
-  '-O[optimize generated bytecode slightly]' \
-  '-OO[remove doc-strings in addition to the -O optimizations]' \
-  "-s[don't add user site directory to sys.path]" \
-  "-S[don't imply 'import site' on initialization]" \
-  '-u[unbuffered binary stdout and stderr]' \
-  '-v[verbose (trace import statements)]' \
-  '(1 * -)'{-V,--version}'[display version information]' \
-  '-W+[warning control]:warning filter (action\:message\:category\:module\:lineno):(default always ignore module once error)' \
-  '-x[skip first line of source, allowing use of non-Unix forms of #!cmd]' \
-  '(-)1:script file:_files -g "*.py(|c|o)(-.)"' \
-  '*::script argument: _normal' && return
-
-if [[ "$state" = modules ]]; then
-  local -a modules
-  modules=(
-    ${${=${(f)"$(_call_program modules $words[1] -c \
-      'from\ pydoc\ import\ help\;\ help\(\"modules\"\)')"}[2,-3]}:#\(package\)}
-  )
-  _wanted modules expl module compadd -a modules && return
-fi
-
-return 1