Revert "Add gsutil 4.13 to telemetry/third_party"

tools/telemetry/third_party/gsutil/third_party/pyasn1-modules/pyasn1_modules/pem.py

Index: tools/telemetry/third_party/gsutil/third_party/pyasn1-modules/pyasn1_modules/pem.py
diff --git a/tools/telemetry/third_party/gsutil/third_party/pyasn1-modules/pyasn1_modules/pem.py b/tools/telemetry/third_party/gsutil/third_party/pyasn1-modules/pyasn1_modules/pem.py
deleted file mode 100644
index d8d815873e9b123fe41afdc8eb058855769f22a2..0000000000000000000000000000000000000000
--- a/tools/telemetry/third_party/gsutil/third_party/pyasn1-modules/pyasn1_modules/pem.py
+++ /dev/null
@@ -1,51 +0,0 @@
-import base64, sys
-
-stSpam, stHam, stDump = 0, 1, 2
-
-# The markers parameters is in form ('start1', 'stop1'), ('start2', 'stop2')...
-# Return is (marker-index, substrate)
-def readPemBlocksFromFile(fileObj, *markers):
-    startMarkers = dict(map(lambda x: (x[1],x[0]),
-                            enumerate(map(lambda x: x[0], markers))))
-    stopMarkers = dict(map(lambda x: (x[1],x[0]),
-                           enumerate(map(lambda x: x[1], markers))))
-    idx = -1; substrate = ''
-    state = stSpam
-    while 1:
-        certLine = fileObj.readline()
-        if not certLine:
-            break
-        certLine = certLine.strip()
-        if state == stSpam:
-            if certLine in startMarkers:
-                certLines = []
-                idx = startMarkers[certLine]
-                state = stHam
-                continue
-        if state == stHam:
-            if certLine in stopMarkers and stopMarkers[certLine] == idx:
-                state = stDump
-            else:
-                certLines.append(certLine)
-        if state == stDump:
-            if sys.version_info[0] <= 2:
-                substrate = ''.join([ base64.b64decode(x) for x in certLines ])
-            else:
-                substrate = ''.encode().join([ base64.b64decode(x.encode()) for x in certLines ])
-            break
-    return idx, substrate
-
-# Backward compatibility routine
-def readPemFromFile(fileObj, 
-                    startMarker='-----BEGIN CERTIFICATE-----',
-                    endMarker='-----END CERTIFICATE-----'):
-    idx, substrate = readPemBlocksFromFile(fileObj, (startMarker, endMarker))
-    return substrate
-
-def readBase64FromFile(fileObj):
-    if sys.version_info[0] <= 2:
-        return ''.join([ base64.b64decode(x) for x in fileObj.readlines() ])
-    else:
-        return ''.encode().join(
-            [ base64.b64decode(x.encode()) for x in fileObj.readlines() ]
-        )