Removed the additional multiplication overflow detection.
Instead cast all the parameters to type_t just the way they are treated in the 
existing size check macro. 
This way there is no possibility to accidentally provide parameters that will 
pass the size check macro while being cast to size_t there but then due to the 
missing cast cause the wrong size passed the actual allocation function.
Since this checking macro was used in couple of different places all of them 
needs to be updated in the similar way.

-------------

Commit messages:
 - Removed the additional multiplication overflow detection.

Changes: https://git.openjdk.org/jdk/pull/11030/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11030&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8296496
  Stats: 10 lines in 1 file changed: 0 ins; 4 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/11030.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11030/head:pull/11030

PR: https://git.openjdk.org/jdk/pull/11030

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